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Science on Google+ has been shared in 137 public circles

You can see here the 50 latest shared circles.
If this is your profile, you can check your dashboard to see all shared circles you have been included.

AuthorFollowersDateUsers in CircleCommentsReshares+1Links
Daniel Mihai Popescu41,745I do not remember why I have called this circle Zero when I gave it this final form. Anyway, it's a circle of value, it's not a "push". So, don't feel obliged with anything. A "+1" will be greatly appreciated.Thank you very much! #danielmihaipopescusharedcircle   #maximumperformance  I still have some great difficulties to connect properly to G+, so I hope that you understand that. "Engagement" means connecting. I have to assure you that you haven't lost me :) Of course, if you feel that I don't "interact" with you as much as you like, don't be afraid and uncircle me! 2014-03-28 10:52:1148713273168CC G+
Enrico Altavilla5,522I'm sharing with you my Science circle. It's focused mainly on physics, astrophysics and math but it also contains subjects (both people and pages) who share news about other scientific fields. Enjoy! 2014-03-21 06:45:031031015CC G+
Daniel Mihai Popescu0Circle O, a very interesting circle of mixed people :)It's packed up with my Invincible, and has also a few "rewards".Feel free to do anything you desire with it, but be sure that a plus one will be greatly appreciated :) #danielmihaipopescusharedcircle #maximumsharing  2014-01-22 23:03:19467603875CC G+
Daniel Mihai Popescu31,724The ComplexThis is indeed, one of my most complex circles :)After my incredible last days, when I did only re-arranging my new added circles, I have seen almost three thousand accounts, one by one.I sent the notification, but you are not compelled to do anything :)If you like, a +1 will be ok with me :)If you add the circle, the good will be yours, because you'll have the G+ best in it!2014-01-10 00:06:44435745176CC G+
Cyrus Khan15,832 *Active Engager's Circle*If you've received a notification, it means you are a part of the circle.Please re-share the circle to increase the exposure of all these friendly and interactive people.Thanks for interacting : )  This is the next edition of my weekly Engagers circle, where I highlight and share the people who've interacted with me this week.I will share this circle to all my followers for exposure as an personally approved group.The criteria to be added are:1)You have commented on and publicly shared one or more of my posts;2) You have re-shared this weeks circle;As this circle grows, I may have difficulty accommodating everyone, so if you add and re-share this week's circle, you'll be guaranteed a spot in next week's edition.Cheers! #circleshare   #active   #engagers   #science   #sciencecircle  2014-01-04 22:40:36476463892CC G+
Cyrus Khan15,016Active Engager's CircleIf you've received a notification, it means you are a part of the circle.Thanks for interacting : )  This is the next edition of my weekly Engagers circle, where I highlight and share the people who've interacted with me this week.I will share this circle to all my followers for exposure as an personally approved group.The criteria to be added are:1)You have commented on and publicly shared one or more of my posts;2) You have re-shared this weeks circle;As this circle grows, I may have difficulty accommodating everyone, so if you add and re-share this week's circle, you'll be guaranteed a spot in next week's edition.Cheers! #circleshare   #active   #engagerscircle   #science   #sciencecircle  2013-12-05 18:31:07494532388CC G+
Chill Ideaz Jay Beek Rocksuperstar0Another round of #topengagers  !(Be sure to click READ MORE, it is important if you want to be included in this circle next time)These people shareThese people +1These people create original contentThese people make G+ BetterIf you add this circle, you will, without a doubt, see your engagement soar through the roof.  Guaranteed.  If you were notified, you guessed it, you are already in.To be included in the NEXT top engagers circle this week is easier than ever.1.) Follow me2.) Share this post3.) Keep engaging#sharedcircle   #sharedcircles   #sharecircle   #publiccircle   #publiccircles   #publicsharedcircles   #topengagers   #engagers   #snowballcircle   #snowball   #circles   #circleshare   #circlemasters   #circlemaster   #circlequeen   #crazycircles   #circlehub   #morefollowers #ghosttown 2013-11-25 00:30:29405006CC G+
Chill Ideaz Jay Beek Rocksuperstar0Another round of #topengagers  !(Be sure to click READ MORE, it is important if you want to be included in this circle next time)These people shareThese people +1These people create original contentThese people make G+ BetterIf you add this circle, you will, without a doubt, see your engagement soar through the roof.  Guaranteed.  If you were notified, you guessed it, you are already in.To be included in the NEXT top engagers circle this week is easier than ever.1.) Follow me2.) Share this post3.) Keep engaging#sharedcircle   #sharedcircles   #sharecircle   #publiccircle   #publiccircles   #publicsharedcircles   #topengagers   #engagers   #snowballcircle   #snowball   #circles   #circleshare   #circlemasters   #circlemaster   #circlequeen   #crazycircles   #circlehub   #morefollowers #ghosttown 2013-11-24 16:58:13405007CC G+
Chill Ideaz Jay Beek Rocksuperstar0Another round of #topengagers  !(Be sure to click READ MORE, it is important if you want to be included in this circle next time)These people shareThese people +1These people create original contentThese people make G+ BetterIf you add this circle, you will, without a doubt, see your engagement soar through the roof.  Guaranteed.  If you were notified, you guessed it, you are already in.To be included in the NEXT top engagers circle this week is easier than ever.1.) Follow me2.) Share this post3.) Keep engaging#sharedcircle   #sharedcircles   #sharecircle   #publiccircle   #publiccircles   #publicsharedcircles   #topengagers   #engagers   #snowballcircle   #snowball   #circles   #circleshare   #circlemasters   #circlemaster   #circlequeen   #crazycircles   #circlehub   #morefollowers #ghosttown 2013-11-24 08:00:39405105CC G+
Chill Ideaz Jay Beek Rocksuperstar0#sharedcircle   #sharedcircles   #sharecircle   #publiccircle   #publiccircles   #publicsharedcircles   #topengagers   #engagers   #snowballcircle   #snowball   #circles   #circleshare   #circlemasters   #circlemaster   #circlequeen   #crazycircles   #circlehub   #morefollowers #ghosttown2013-11-24 06:33:32405005CC G+
Chill Ideaz Jay Beek Rocksuperstar0This group will follow back !#sharedcircle   #sharedcircles   #sharecircle   #publiccircle   #publiccircles   #publicsharedcircles   #topengagers   #engagers   #snowballcircle   #snowball   #circles   #circleshare   #circlemasters   #circlemaster   #circlequeen   #crazycircles   #circlehub   #morefollowers #ghosttown2013-11-24 01:22:28405104CC G+
Chill Ideaz Jay Beek Rocksuperstar0Here's the latest update of my Engagers circle. The last version of this circle was close to full, so I started it again from scratch. This circle includes people who have recently engaged with one of my posts in the form of +1s, comments and public reshares.I might have missed some people because of limitations of the Google+ interface. Fortunately, the next release of +Circloscope on June 28 is likely to include new features that make circles like this one much easier to create.I've included 100 guest members in this circle, taken from my Favourites circle, which I haven't shared in a while.Like my previous circle share, this is a Showcase circle! What this means is that everyone is invited to leave a comment on (the original post of) this circle share containing a link to one of your own posts. Ideally, this should be something that you posted recently and that you are particularly pleased with. (Don't post spam though; I will delete it.)2013-11-24 00:22:24405014CC G+
Georgia Mizuleva0#sharedcircles #sharedpubliccircles  2013-11-23 15:30:2245725530CC G+
Mario Falcetti26,152A nice circle to explore G+: ...  to meet people; to discover places; to appreciate the nature; to approach arts, science and technologies; … (updated November 22nd, '13)  #circles   #circleshare   #sharedcircle   #circlesharing #followers #social2013-11-22 17:50:12458246115250CC G+
Daniel Mihai Popescu21,599This is Circle 0, a celebrating circle, for two reasons. Recently it was my birthday, and I have passed 20k followers :)Feel free to do whatever you desire! Tag your friends, add the circle, share it, whatever :)I don't "punish" anyone for not sharing :)I don't even take attitude anymore for "playing" since I share any circle with +Maximum Sharing :)It is a rewarding circle, ladies and gentlemen :) #danielmihaipopescusharedcircle  I have also waited for +Christine DeGraff's profile to "stabilize" (some of you know what I mean) :)Have a nice week!2013-11-04 21:09:393821015265CC G+
Riccardo Lemons3,423o○:.♥ ㄥ◯∨モ  _..゚ ゚¨゚゚・:..。o○☆゚♥ ㄥ◯∨モ  +。☆*゜+。.。:.*.゚ ゚╔╝╗╔╔╗╔╗╔╗❤╔╦╗╗╔╔═❤╦░╔╗╗╔╔╗❤♥ ㄥ◯∨モ ╚╗╠╣╠╣║╝╠░❤─║─╠╣╠═❤║░║║║║╠░❤♥ ㄥ◯∨モ ╔╝╝╚╝╚╝╩╩╝❤─╩─╝╚╚═❤╩╝╚╝╚╝╩╝❤♥ ㄥ◯∨モ Interesting G+ Users for all tastes !2013-10-09 21:59:48455433263CC G+
Daniel Mihai Popescu16,828This is a very special circle I recently created, with a complex range of members, therefore I shall call it The Complex CircleIt is still in testing form, so any activity from your part will be greatly appreciated.You may want to tag your friends, be free to do it; if they also comment here, they will be added to Friends of Friends, a circle i made with your suggestions (it didn't went very well at the time, the friends you tagged weren't really your friends, or worse, they wanted not to be in my circles), maybe three months ago.It is my suggestion to follow +Maximum Circle Sharing because this is the page which will share any circle with you in it and all the friendly circles having me as a member :)Please add it, share it and re-share it. Do it with responsibility, it's for your own good. Don't forget #danielmihaipopescusharedcircle  !2013-10-01 16:33:06456673779CC G+
Daniel Mihai Popescu14,872This is one of my last creations, a very special circle with very special persons, ranging from artists to scientists and other wonderful creatures, here on Google Plus. I am proud to present you this circle named The Greatness of Google Plus.If you add it to yours, your stream will come alive, so don't even think to avoid this operation :) #danielmihaipopescusharedcircle #saturdaysharedcircle #maximumsharing As a bonus for me this time, please don't forget to add +Maximum Circle Sharing to your circles anyway, because this is the page who will share your circles like an automaton :)2013-09-14 17:56:16386703967CC G+
Mario Falcetti17,569A nice circle to explore G+: ...  to meet people; to discover places; to appreciate the nature; to approach arts, science and technologies; … (updated September 13th, '13)#circles  #circleshare   #sharedcircle    #circlesharing #followers #socialnetworking     #social  2013-09-13 16:36:4648821391199CC G+
Fabian Weiland0#sharedcircles #science #health2013-09-05 07:24:12497214CC G+
Science on Google+84,253Science Engager Circle 9.1.13Over the last two weeks, many individuals and pages associated with the Science on Google+ community (http://goo.gl/uhJCN) have been discussing recent projects and brainstorming about possible topics for upcoming Hangouts On Air. We took all of the individuals and pages that contributed to this discussion and put them into this shared circle. You can learn more about the individuals in the shared circle by viewing and contributing to this discussion: http://goo.gl/g6RYg4.2013-09-01 18:13:00118214464CC G+
Daniel Mihai Popescu13,115This is my last Special Circle revisited! #danielmihaipopescusharedcircle  Add it and share it, dear friends! After a short revision, I decided to share it once more. A few free riders are missing, though :)Welcome back +Christine DeGraff +Karla Cain Maybe you know, maybe you don't, but the real +Alycia Miller is back too!2013-08-29 20:19:56348783455CC G+
Daniel Mihai Popescu12,907My Specials, a last mix of highly valuable people!Add it and share it, dear friends! #danielmihaipopescusharedcircle  I'm sorry to observe that the apps she uses, made again +Christine DeGraff disappear. I hope it'll solve soon, as the last time.You are notified, you are in the circle.I am really sorry for all the difficulties you suffer because of the changes, notifications difficulties, domain restriction difficulties and so on. I'm too small to feel them yet. Good luck everybody. Don't forget to re-share!2013-08-27 22:28:06336523555CC G+
Andrea Orselli2,146SHARE YOUR CIRCLES COMMUNITY CIRCLE 8.26.13Welcome to  this new circle which has members of the Share Your Circle Community.  This is a great place to Find and Add Circles#circleoftheday   #circleshare   #circlesharing   #circlesharingforthepeopleplc   #sharedcircles   #sharedpubliccircles   #sharedcircleoftheday   #sharedcircleday   #publiccirclesproject   #publiccircles   #publicsharedcircles   #sharedpublicircles   #circle   #circles   #circlemeup   #awesomepeople   #awesomecircle   #circleme   #sharedpoint   #sharewithyou     #ShareYourCircle2013-08-27 21:11:4545714415CC G+
Cyrus Khan14,028Active Engager's CircleAttention:  Please reshare and comment if you want to be a part of next weeks edition, instead of messaging me individually.If you've received a notification, it means you are a part of the circle.Thanks for interacting : )  This is the next edition of my weekly Engagers circle, where I highlight and share the people who've interacted with me this week.I will share this circle to all my followers for exposure as an personally approved group.The criteria to be added are:1)You have commented on and publicly shared one or more of my posts;2) You have re-shared this weeks circle;As this circle grows, I may have difficulty accommodating everyone, so if you add and re-share this week's circle, you'll be guaranteed a spot in next week's edition.Cheers! #circleshare   #active   #engagerscircle   #circle #circleoftheweek   #sciencecircles  2013-08-26 17:27:32477574284CC G+
Daniel Mihai Popescu12,511A circle with a lot of scientists + some very special peoples.So, if you will be so kind to add and share this circle, you will have a lot of surprises!Even if it appears that a lot of profiles look familiar, I want to enhance +Able Lawrence +Richard Green +Rajini Rao +Science on Google+ +Malthus John and some more scientists or science pages in this circle.When you add this circle to yours, please add +Christine DeGraff as well since I can't at the moment due to a "domain restriction error". #danielmihaipopescusharedcircle  2013-08-23 12:08:45220332133CC G+
Social Media Revolution637All Science! #sharedcircles #sharedpubliccircles #circleshare #circlesharing #circle 2013-08-20 16:03:51189035CC G+
Cyrus Khan13,678Active Engager's CircleAttention: This circle has been filled this week, and will start again from scratch next week. Please reshare and comment if you want to be a part of next weeks edition.If you've received a notification, it means you are a part of the circle.If you want to be added, simply add the circle, reshare and comment saying so.Thanks for interacting : )  This is the next edition of my weekly Engagers circle, where I highlight and share the people who've interacted with me this week.I will share this circle to all my followers for exposure as an especially active group.The only criteria to be added are:1)You have commented on and publicly shared one or more of my posts;2) You have re-shared this weeks circle;As this circle grows, I may have difficulty accommodating everyone, so if you add and re-share this week's circle, you'll be guaranteed a spot in next week's edition.Cheers! #circleshare   #circleoftheweek   #active   #engagerscircle   #science   #sciencecircles   #circlesharesunday  2013-08-18 17:07:30490462362CC G+
Cyrus Khan13,309Active Engager's CircleIf you've received a notification, it means you are a part of the circle.If you want to be added, simply add the circle, reshare and comment saying so.Thanks for interacting : )  This is the next edition of my weekly Engagers circle, where I highlight and share the people who've interacted with me this week.I will share this circle to all my 13,000 odd followers for exposure as an active bunch among others.The only criteria to be added are:1)You have +1, or publicly shared one or more of my posts;2) You have re-shared this weeks circle.3) If you're not already in the circle, and want to be, simply comment so below.As this circle grows, I may have difficulty accommodating everyone, so if you add and re-share this week's circle, you'll be guaranteed a spot in next week's edition. #sharedcircles   #circleoftheweek   #active   #engagerscircle  2013-08-12 16:03:13488432073CC G+
Social Media Revolution592Science #circleshare   #sharedcircles  2013-08-10 21:42:081890113CC G+
Hakan Gül25,001Top 25 Communities on Google+I have together with the help of +CircleCount  gathered a list of the Top 25 Communities (in terms of followers) on Google+.Below is the complete list of the communities with their current owners and some stats. I have also put together a circle of all the owners in order to show my appreciation of their hard work with the communities.When you join a community, please make sure to add the owners/moderators to your circles in order to show your appreciation of their hard work. It will also make sure that the moderators can contact you if they need to reach you as some people don't accept +mentions in posts from people whom are not in their circles.Top 25 Communities on +Google+  :► 1. Joke of the Day(https://plus.google.com/communities/104550499164355562767)Members: 196,757Owner: +Joke of the Day ► 2. Amazing Places to See(https://plus.google.com/communities/109933143164651576714)Members: 184,662Owner: +Amazing Places to See ► 3. Android(https://plus.google.com/communities/107847486351510098159)Members: 175,271Owner: +Android Central ► 4. Harry Potter(https://plus.google.com/communities/111480651730494364607)Members: 174,555Owner: +Harry Potter Fans ► 5. Landscape Photography(https://plus.google.com/communities/116871042716967304935)Members: 166,096Owner(s): +Jay Patel +Varina Patel ► 6. HDR Photography(https://plus.google.com/communities/101254971006166501000)Members: 147,339Owner: +Trey Ratcliff ► 7. Night Photography(https://plus.google.com/communities/116739301264243698053)Members: 143,756Owner: +thomas o'brien ► 8. Space(https://plus.google.com/communities/100276549585470687394)Members: 136,666Owner: +Fraser Cain ► 9. Animal Lovers(https://plus.google.com/communities/113678595147618762604)Members: 128,398Owner: +Animals ► 10. Earth(https://plus.google.com/communities/111431221870263866201)Members: 123,628Owner: +Earth ► 11. Gaming(https://plus.google.com/communities/106294677380036336853)Members: 121,307Owner: ++Gaming ► 12. Forever Twilight(https://plus.google.com/communities/101447366643578351103)Members: 115,397Owner:  No Owner found► 13. Science on G+(https://plus.google.com/communities/111298192566988133095)Members: 111,840Owner(s): +Knut Torgersen +Peter Edenist +Ted Ewen +Lace2013-08-07 13:32:28337515CC G+
Science on Google+66,386Science Engager's CircleThe Science on Google+ Community (http://goo.gl/uhJCN) is approaching 100,000 members!! To celebrate, we are making changes to the community categories to increase engagement and to highlight high quality posts (see http://goo.gl/EPPOAn for details). We are also starting a new Science Hangout On Air called “Posterside Hangouts”. The first Posterside Hangout will be announced soon! We also put together this really great circle of Science Engagers. Every profile and page in the circle can be found in the +Science on Google+: A Public Database (see http://goo.gl/Yz8KR to access the database). Thanks to everyone who is following and contributing to the community and page! 2013-08-04 20:05:3994305257CC G+
Sharing Circle379W A N T   T O   B E   C I R C L E DTo be included in close, just:1 - do +1 t the post;2 - comment the post;3 - include the circle among your circles;4 - share the circle (include yourself).Thanks..-#sharedcircles #addcircle #sharedpubliccircles #growfollowers #circleshare #publicsharedcircles #diamondcircle   #awesome   #awesomesauce   #awesomeness   #awesomepeople   #diamondclub   #circle #circles #circlesharing #circleshare #circleoftheday #circleplus #public #publiccircles #publiccirclesproject #publicsharedcircles #reshare #reshared #reshareday #resharetags #sharedcircles #sharedpubliccircles #sharedcircleoftheday #sharewithyou #sharing #sharingcircle #sharingmeansthankyou #topcircles #freakingawesome   2013-07-26 19:40:13501141338CC G+
Science é Ciencia0We've been shared by +Science on Google+: A Public Database among other 246 interesting pages related to Science that you can follow here on Google+ adding this circle.Thank you! :D #science   #circles   #circlesharing   #sharedcircles  2013-07-24 10:00:53247001CC G+
Mario Falcetti11,389A nice circle to explore G+: ...  to meet people; to discover places; to appreciate the nature; to approach arts, science and technologies; … (updated July 19th, '13)2013-07-19 17:44:2634518944114CC G+
Richard Green16,477Here's the latest update of my Engagers circle. The last version of this circle was close to full, so I started it again from scratch. This circle includes people who have recently engaged with one of my posts in the form of +1s, comments and public reshares. I might have missed some people because of limitations of the Google+ interface. Fortunately, the next release of +Circloscope on June 28 is likely to include new features that make circles like this one much easier to create.I've included 100 guest members in this circle, taken from my Favourites circle, which I haven't shared in a while. Like my previous circle share, this is a Showcase circle! What this means is that everyone is invited to leave a comment on (the original post of) this circle share containing a link to one of your own posts. Ideally, this should be something that you posted recently and that you are particularly pleased with. (Don't post spam though; I will delete it.)2013-06-22 22:13:5040317937103CC G+
Daniel Mihai Popescu4,968A circle based on +Richard Green's last creation! Add it to yours, share it! They all have some wonderful spark in them!If you're notified, you're in! Sorry to disturb you with the notification! If you want out, just say so :)2013-06-19 09:59:4539032733CC G+
Steven Krohn1,616The Popular Choice Circle________________________Richard Green originally shared:Here's version 2 of my Popular Choice circle. The members of this circle were nominated for inclusion here (http://goo.gl/vY07d). Anecdotal evidence suggests that this circle is a pretty good one to add: after the last share, somebody that I follow made the comment:I have to admit I have never had so many people add me back so shortly after adding a shared circle.As guest members of the circle this time, I'm including everyone who has created a circle with me in it in the last four weeks, including +Chris Cota, +Steven Krohn, +Marlo Angelo Tito, +Leo Walsh, +Cesare Riccardo, +Michael Bennett, +1212Scenery, +Daniel Mihai Popescu, +Gai Xinh, +Mithu Hassan, +Daniel Stock, +Marino Puletti, +Christy Sandhoff, +Johnathan Yesson, +Roleta Anedotas, +Linda Dee, +Mariusz Zapart, +César Bustíos Benites, +Andrea Orselli, +Katherine Vucicevic, +Networx, +Rome Heels, +Thumb up your Followers ►, +AyJay Schibig, +Zbynek Kysela, +Ewart Corrigan, +Hamilton Carter, +Don Dobbie, +Brian Buckley, +Wajahat Khan, +Crazy Circles, +Laurent Jean Philippe, +Maria Leoni and +Wolfgang Wodeck.  I'd especially like to thank +Scott Buehler, +Ludovic Moreeuw and +Science on Google+: A Public Database for including me in some particularly exciting circles: the Hyperball, the VIIP Circle and the Smokin' Science Circle, respectively.And now the surprise feature: I invite everyone to leave a comment on (the original post of) this circle share containing a link to one of your own posts. Ideally, this should be something that you posted recently and that you are particularly pleased with. (Don't post spam though; I will delete it.)2013-06-18 14:06:1838425936CC G+
Daniel Mihai Popescu4,802I have added version 2 of +Richard Green's  Popular Choice, re-freshed with my nucleus of Invincible circle and brushed of inactive accounts :)If you are notified, you're in, of course :)Thank you for sharing!2013-06-17 10:29:4338924937CC G+
Richard Green16,268Here's version 2 of my Popular Choice circle. The members of this circle were nominated for inclusion here (http://goo.gl/vY07d). Anecdotal evidence suggests that this circle is a pretty good one to add: after the last share, somebody that I follow made the comment:I have to admit I have never had so many people add me back so shortly after adding a shared circle.As guest members of the circle this time, I'm including everyone who has created a circle with me in it in the last four weeks, including +Chris Cota, +Steven Krohn, +Marlo Angelo Tito, +Leo Walsh, +Cesare Riccardo, +Michael Bennett, +1212Scenery, +Daniel Mihai Popescu, +Gai Xinh, +Mithu Hassan, +Daniel Stock, +Marino Puletti, +Christy Sandhoff, +Johnathan Yesson, +Roleta Anedotas, +Linda Dee, +Mariusz Zapart, +2013-06-17 04:33:32384693082CC G+
Katherine Vucicevic4,563This is a Brilliant shared SCIENCE Circle.Included are those who actively post science related articles and those who are interested in science. Add these great people to brighten up your stream!For more circles from me, check the hashtag below. #katherinevucicevicsharedcircle #circleshare #sharedcircles #sharedpubliccircles #scienceeveryday #scienceissexy  2013-05-23 09:08:1825219823CC G+
Bobo Fett0Those of you flocking here from the horror that is Facebook, or any that have been here for a while, or maybe even never a part of FB, some pointers to get you started.First thing to know if you type a question mark pretty much anywhere (as long as you don't have a text field in focus, in other words a blinking cursor where you would type text) in G+ you get a little pop up that gives you some handy basic keyboard shortcuts.If you are new here and and you are looking to make your feed more active, click the two little circles labeled Find people in the icons down the left side of the G+ page.  There you can search for people you know and add them to your circles.  Circles are what G+ uses to allow you to organize your friends list.  G+ starts you off with a few default Circles to use, you just need to add people and/or pages to things you enjoy to one of those circles.  Once you have you will see grey buttons at the top of your main feed (The page you get to if you click the big Google+ icon in the top left hand corner).  The first button is the default All circles button, here you will see all of the posts of every person/page you have added to any of your circles.  Next to the All button you will see buttons with the names of your circles.  If you click one of them you will of course see just posts from people/pages in that circle, but also on the rightish side, not quite at the top of the page, you will find a button that says Settings.  That is a drop down that gives you two check boxes.  One is "Show posts in home stream" the other is "Get Notified of new posts".  They pretty much do what they say, and "get notified" means any posts from this circle will make the number between your name and the + Share button in the top right hand corner increment and go red.  You can click that number at any time (even if it's red and 0) to get a drop down window which will show a condensed version of all posts from circles you get notified about. It will also notify you any time someone circles you back, and any +1s you have received in posts or comments you have made. As well as, comments in posts you have also commented on. On this Settings button you will also see a grey area that says Amount.  If you hover over that you get to choose More, Standard, or Fewer.  Which controls how frequently the posts from that circle appear in your feed.If you combine the above tools with the fact that you can change the name of any circle, add as many as you like, and also have people in more than one circle, you have very granular control over what posts you see and when, and exactly who can see your posts.  You can also share your circles with other people, as I have done below.  If you click the View shared circle button below, you will be able to see all the pages in a circle I call, go figure, Pages.  You can look through it and if you like everything you can just add the whole circle as a new circle.  Or, you can pick and choose which things you find interesting and add just them to your own circle that you already have or create a new circle.  Moving stuff from circle to circle is as easy and dragging the rectangle for that particular page/person and dropping onto the circle you want it to be in.  You could also just add this circle in full and then just delete the stuff you don't want (little x in top right hand corner of each rectangle when you hover over it).  Or just view this circle to get ideas for what sort of stuff can be searched for, and use the search box at the top of the Find people/Circle page to find stuff you like.Now once you have some friends added to circles, and pages/people you would like to follow added as well, your feed will get much more interesting. Now on to posting your own stuff.  In the Share what's new... field at the top of pages, you can of course type anything you like2013-05-03 19:55:12143001CC G+
Katherine Vucicevic2,450~~~~~Brilliant Science Circle~~~~~For all those who share a passion for science and want to connect with others who feel the same!If you want to be added to this circle, here are the rulesadd this circleshare this postplus this postleave a comment you want to be included for the next share(I cant include you if you don't add the circle!)Enjoy:):):) #sharedcircles #sharedpubliccircles #sharedcircleoftheday #sharedcircleday #science #scienceeveryday #sciencesunday #scienceisawesome #sciencerules #circleshare #circlesharing #circlesunday #circleshared #addcircle #addpeople #addfriends  2013-04-28 10:19:1025124719CC G+
Peter Edenist20,008TESLA Science Circle We are back!!Resharing the new TESLA Circle for the weekend. What is the circle? It has scientist, engineers, researchers, people interested in Science and all kinds of cool!! Add and Reshare to keep the circle going folks!!!Our linked communities:Science on G+ community here: http://goo.gl/46uFHSci-FI Community here: http://goo.gl/s1NVd----------------------------------------------------------------------------I have taken the liberty of adding some people interested in Science. If you want to leave, please let me know with a comment. If I have missed anyone, my apologies, please comment and let me know. If you are notified, you are in this circle!----------------------------------------------------------------------------#Science   #science   #sciencerules   #sciencesunday   #scienceisawesome   #scienceisawesome   #scienceeveryday   #shared   #sharedcircles   #sharedpubliccircles   #sharedcircleoftheday   #sharedcircleslist   #public   #publiccircles   #publiccirclesproject   #publicsharedcircles   #circlesharing   #circle   #circleshare   #circles   #circleoftheday   #TESLA #circlesharing   #circleshare   #circleoftheday   #circleplus   #public   #publiccircles   2013-04-26 07:28:26250675367CC G+
Richard Green10,142Yes: I've made it to 10,000 followers!  To celebrate, here's a once-only share of a circle I'm calling the Surprisingly Successful Mashup Circle.  It contains:1. the most recent share of my Thankers circle (people who thank other people for including them in a circle that happens to contain me as well);2. the most recent share of my Engagers circle (people who +1, reshare and comment on my posts);3. my Plus Ten circle, which was a great idea that didn't work (people who post things with more than 10 plus-ones);4. the people and pages mentioned below.I'd like to thank the following:+Science on Google+: A Public Database for giving me most of my first 1,200 followers;+Full Circle, +JUSTIN MATTHEW, +Cesare Riccardo, +Trever McGhee, +Ludovic Moreeuw and +Euro Maestro for repeatedly sharing me in their high-impact circles; and+Shaker Cherukuri for implanting the idea in my head, inception-style, that having 10,000 followers would somehow be a cool idea.  (I think there should be a verb "inceive", meaning "to put an idea into someone's head, like in the film Inception.")Caution: having lots of followers doesn't mean that people will read your posts.  But it certainly helps!And here's the circle.2013-04-25 00:39:34498853893CC G+
Richard Green7,029According to circlecount.com, this is a list of people and pages who have shared me in their circles.  (Presumably this refers to direct circle shares as opposed to reshares, or the list would be much longer, and probably too big to fit into a circle.)  So consider this my Thank You circle!2013-03-21 17:09:10495210CC G+
Science on Google+60,330Science Pages- All DisciplinesView pages categorized by discipline: http://goo.gl/WCohTLinks to shared science circles: http://goo.gl/nO7rBIf you have a science related degree, you are a science journalist, you are a K-12 science teacher, or you curate a science page, then add your profile/page to the database by filling out this form (http://goo.gl/yEg7M). Active profiles and pages will be included in the next shared circle.Science on Google+ community: http://goo.gl/mTTxX#sciencesunday #science #publiccircles #sharedcircles 2013-03-17 13:29:4424071916CC G+
Jason Mayes17,602SO I have been carefully creating this circle over the past 2 years. My best tech / creative pages on Google+ not from any generic SUL - hand picked by yours truly. Enjoy!2013-03-14 09:57:01290104CC G+
Justin Fournier534Tech Engage CircleHello Everyone just following the footsteps of +martin shervington  and attempting to circle share fully engaged circles with you.  Below I'm sharing a circle of definite Technology posters. If your new to this platform and needed a circle for sure fire tech news and help.  *Be sure to add and re-share this circle.*  Later Guys!2013-03-10 16:15:55296516CC G+
Richard Green6,375Here's my current Favourites circle.  Everyone in this circle is also in one of my other permanent circles.  I swap people in and out of this circle all the time.Some of the people in this circle have a relatively small number of followers, but post very interesting things.2013-03-06 23:23:1512925522CC G+


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2014-04-25 02:10:29 (1 comments, 0 reshares, 8 +1s)

Wood decay fungi stake out their living space by pigmenting wood, a process called spalting. As a woodworker, Sara C. Robinson became fascinated with developing new colors and designs in wood using fungi, and her artwork led into scientific research. Read about her journey from artist to scientist, and how her work fits into the larger picture of woodworking history and wood science. http://ow.ly/w53Ix #sciart #art   #science   #woodwork   #fungus  

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2014-04-19 20:43:09 (44 comments, 78 reshares, 261 +1s)

What is Free Speech in an Online Community?

Often, when we remove an inappropriate post or an offensive member from our Science on Google+ Community, we hear cries of Censorship! and we're accused of violating the right to free speech. This brilliant xkcd cartoon nails the difference between the right to free speech and the rights and responsibilities of community membership.  

As Neil deGrasse Tyson said, "we live in a country that guarantees free speech, but it’s not a country that guarantees that anything you say is correct". 

Source: http://xkcd.com/1357/

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2014-04-06 14:07:19 (5 comments, 11 reshares, 62 +1s)

Recently a review article (http://goo.gl/wByL46; open access) was shared by +Jim Carver .  The article had a somewhat provocative title "Can We Say What Diet Is Best for Health?" and I was sucked into the trap.

Such review articles are very important as they try to paint a comprehensive picture of the field of research and ideally provide an un-biased analysis of the different studies conducted in the past. In lack of such articles a non-expert can easily be lost in the myriad of studies, sometimes reporting conflicting results. Anyway, I read the abstract, and then the introduction and then the whole thing. I found it very interesting and hence I am sharing the main points (from my perspective). The summary below is mostly a cut-paste text from the original article with some paraphrasing done for the sake of coherence. This is of course in no way a comprehensive summary. If you arei... more »

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2014-03-31 01:07:48 (14 comments, 7 reshares, 52 +1s)

Everyday Sexism in Academia
Earlier today, I co-hosted a panel discussion by +STEM Women on G+ on Everyday Sexism in Academia, along with Dr +Buddhini Samarasinghe a Molecular Biologist from the UK. Our guests were Professor +Rajini Rao PhD  in Biochemistry who runs her own lab at Johns Hopkins University USA, and Dr +Tommy Leung, Evolutionary Biologist with the University of New England, Australia. 

We discussed the sociological definition of everyday sexism, which demonstrates how everyday social exchanges between individuals are connected to institutional discrimination. Specifically, how conversations between academic colleagues that are sometimes called "benevolent" or "unintentional" sexism, are actually the outcome of systemic issues of gender inequality. This includes "jokes" that play on a woman's gender and sexuality(&qu... more »

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2014-03-27 21:33:09 (4 comments, 8 reshares, 139 +1s)

250,000 Members in our Community - Thank You!
We've passed two milestones recently. Firstly, we're actually up to 251.4K members now - and we wanted to thank you, our members! Secondly, we're the 9th largest Community on Google+! That's all thanks to you!

We appreciate your fascinating science posts, your spirited debate and your generous feedback to our fellow members who ask for science input. We'd like to highlight some of our Curator's Choice posts. Further celebrations will follow!

Clockwise from top left:
Physical +John Baez takes us through the physics of the  IceCube Neutrino Observatory (http://goo.gl/iUlrnW).
Science Bytes +Jonathan Stevens demonstrates the complexity of embryo development in a single image.
Life +Michael Habib  explains how some birds rack up thousands of frequent flier miles(ht... more »

2014-03-23 18:39:50 (0 comments, 6 reshares, 6 +1s)

Added photos to Pub Talks: Cancer Signalling.

2014-03-23 18:32:10 (0 comments, 3 reshares, 22 +1s)

Join us for a Science on Google+ HOA as we speak to +Akinola Emmanuel and Dr +shilpa keerthivasan about their recently published research on cancer signalling (http://stm.sciencemag.org/content/6/225/225ra28). We will discuss the basics of cancer signalling, explain the link between inflammation and cancer, and how their research identifies a novel role for immune cells in the development of colon cancer. This Pub Talks HOA will be part of a series in which we explain published research in a jargon-free manner that is understandable to the public.

This HOA will be hosted by Dr +Buddhini Samarasinghe and you can tune in on Sunday March 23rd at 2 PM CDT/ 12PM PDT/ 7 PM GMT. The hangout will be available for viewing on our YouTube channel (https://www.youtube.com/ScienceHangouts) after the event.

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2014-03-21 00:11:18 (15 comments, 18 reshares, 168 +1s)

There is no ocean deep inside the earth

"In what sounds like a chapter from Journey to the Center of the Earth, the chemical makeup of a tiny, extremely rare gemstone has made researchers think there's a massive water reservoir hundreds of miles under the earth."
-vice.com

In the last couple of days newspapers and other media outlets have reported what they've been calling "an ocean deep inside the earth". "What if the outermost layer of the earth was floating on a boundless sea, bigger than all of the ones present on the surface?"(translation mine) writes Laura Berardi on ilFattoQuotidiano, which is normally quite a decent newspaper (though their track record on scientific reporting is middling at best).

There could be a large body of water buried deep beneath the Earth's surface containing as much water as in every... more »

2014-03-16 17:39:49 (23 comments, 21 reshares, 34 +1s)

Join us for a Science on Google+ HOA as we speak to +Akinola Emmanuel and Dr +shilpa keerthivasan about their recently published research on cancer signalling (http://stm.sciencemag.org/content/6/225/225ra28). We will discuss the basics of cancer signalling, explain the link between inflammation and cancer, and how their research identifies a novel role for immune cells in the development of colon cancer. This Pub Talks HOA will be part of a series in which we explain published research in a jargon-free manner that is understandable to the public.

This HOA will be hosted by Dr +Buddhini Samarasinghe and you can tune in on Sunday March 23rd at 2 PM CDT/ 12PM PDT/ 7 PM GMT. The hangout will be available for viewing on our YouTube channel (https://www.youtube.com/ScienceHangouts) after the event.

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2014-03-13 07:46:19 (27 comments, 40 reshares, 186 +1s)

What the oceans do for us: powering our needs in the future

Figuring out how we are going to keep generating energy is a political nightmare, and technologically challenging.  There are all sorts of issues with fossil fuels, and renewable energy solutions are (at the moment) generally a little more costly to get up and running.  There are also some issues over energy-delivery reliability.  These aren’t insurmountable problems, and slowly but surely people around the globe and thinking of new – and sometimes old solutions to producing more sustainable and less polluting energy.  Solutions like harnessing the power of the ocean.

Tides occur from the rotation of the sun and moon around the Earth.  Each orbiting body exerts a gravitational force that pulls the ocean around.  Here’s a great 2-minute video explaining how it works http://ow.ly/uw28N (though some parts ofthe world h... more »

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2014-03-11 03:34:09 (8 comments, 77 reshares, 270 +1s)

Cubes in  motion

This animated gif is harmonious and fine.

The cube is one of the five Platonic solids.

The regularity of the Platonic solids is extraordinarily suggestive: for this motive, they were extensively studied since ancient times, often looking for hidden meanings in them and giving them esoteric values.
They were studied by Pythagoras and Plato

Plato, in the dialogue Timaeus, associated an element (among the four classical elements) to each of them: fire with the tetrahedron, earth with the cube, air with the octahedron, water with the icosahedron, while in the dialogue Phaedo he thought that the dodecahedron was the shape of  Universe.

They were then studied with greater rationality by Greek-Alexandriansu... more »

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2014-03-11 03:33:40 (0 comments, 18 reshares, 34 +1s)

I just love Snell's Law.

It relates to something simple in our childhood experience, when we put a pencil in a class of water and the pencil looked magically bent from the refracted light. Then when you find out why when you're older, it just keeps getting more awesome and seemingly magical, because it's as if the light 'seeks out' the fastest path going through a faster medium (e.g. air) and then a slower medium (e.g. water): the light takes a bent path that goes a little farther in the fast air, and through a shorter amount of water that it has to swim through more slowly. That's known as Fermat's Principle.

That math is simple, except for one bit of baby (1st semester) calculus at the end, but if you don't know calculus, no problem, and that's just one small step. And you can think about it as a roller coaster, that you want to find... more »

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2014-03-11 03:31:54 (3 comments, 18 reshares, 89 +1s)

A hidden world of light: Biofluorescence in fish

A new paper is out in PLOS ONE about biofluorescence in fish. This is the first jaw-dropper for me of 2014. The bottom line is this: an awful lot of first are actually fluorescent if you hit them with the correct spectrum of light (usually far blue to UV), we just can't see it isolated from all the other colors and patterns without a little help from technology.

Here is the original paper: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0083259 (it is #openaccess  like all things in PLOS).

Light filters out long wavelengths (like red) quite readily, so even rather shallow reef floors get mostly blue light and other energetic wavelengths. When these wavelengths hit fish, some of it is re-emitted as red, green, or yellow light. Properly photographed (as seen below - figure from the paper) we canse... more »

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2014-03-11 03:31:15 (9 comments, 18 reshares, 137 +1s)

Round-Up of New Paper on Global Warming and Severe Thunderstorms

Here is the round-up of the new paper that my colleagues +Martin Scherer and Jeff Trapp have published this week in the Proceedings of the National Academy of Sciences.

The peer-reviewed paper is available open-access here:
http://www.pnas.org/content/early/2013/09/18/1307758110.abstract

The story by +Bjorn Carey of +Stanford University News Service is here:
http://news.stanford.edu/news/2013/september/climate-severe-thunderstorms-092313.html

Some news stories include:

+The New York Times :
http://www.nytimes.com/2013/09/24/us/study-sees-a-higher-risk-of-storms-on-the-horizon.html

 +USA TODAY :
http://www.usatoday.com/story/weather/2013/09/23/climate-change-global-warming-thunderstorms-tornadoes/2854979/

 +NBC News :http:... more »

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2014-03-11 03:30:50 (2 comments, 6 reshares, 30 +1s)

The powder that comes off onto your fingers when you handle a moth or butterfly is made up of the iridescent or coloured scales on their wings. These scales are beautiful delicate structures when viewed with a scanning electron microscope (SEM). This image was taken of a scale on the underside of a moth's wing using backscattered electron imaging in an SEM. The image was inverted and colour applied.

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2014-03-11 03:30:35 (1 comments, 2 reshares, 20 +1s)

Alice Kober, Deciphering Linear B
+Deeksha Tare 's post about inventions by women (http://goo.gl/TLl3Z4) reminded me of a segment on The World on +NPR. It was yet another story of an important breakthrough by a woman being overlooked. Alice Kober did a lot of the major analysis in deciphering Linear B but Michael Ventris received much of the credit, at least initially. Part of the lack of credit could be due to the fact that she worked on Linear B in private, i.e., in her "spare time". She unfortunately died at the age of 43.

Linear B
So what is linear B? Linear B is a syllabic script from Knossos, Crete around 1450 BC. You can think of it as unlocking hieroglyps, without the Rosetta Stone. British archeologist, Arthur Evans found a series of clay tablets in ruins thought to be the home of King Minos. Linear B descended from Linear A which is an undeciphered... more »

2014-03-11 03:28:56 (0 comments, 4 reshares, 10 +1s)

Lonely, socially integrated, or supported?: Overlap and uniqueness of constructs and how they are (often) measured

(This is partly written in response to comments on another post http://goo.gl/RFI2ng ) 

+Bei Bei, there are many ways to measure loneliness, and even the definition can be somewhat nebulous as there are a number of closely related (or perhaps dimensions of the same) construct.  Words used include: loneliness, social support, social isolation, social integration, social connection, and social networks.  Frequently, the same concept may be described from the opposite angle (e.g., lonely vs. socially connected).  A second aspect is whether the measurement is objective (e.g., size of social network; number, frequency, or length of social contacts) or subjective (e.g., I get to talk with friends as much as I want).

Unfortunately, the scientific literatureis o... more »

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2014-03-11 03:28:15 (1 comments, 10 reshares, 28 +1s)

What is Health Psychology
by +Dr. Cheryl Ann MacDonald, Psy'D. 

Health Psychologys' roots are in the belief that everyone deserves proper medical and psychological care even when daily habits, career, or family life problems contribute to the decrease in physical health and/or psychological well-being. The bio-psycho-social model views health, wellness and illness as being a result of several different inter-related factors effecting a person’s life from biological characteristics, to behavioral and social conditions (Belloc, N. & Breslow, 1972).

Psychological determinants in health have been a focus since the beginning of the 20th century and results explain that people who eat regular meals, maintain a healthy weight, do not smoke, drink little alcohol, receive adequate sleep and exercise regularly are in better health and live longer. Full article hereht... more »

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2014-03-11 03:27:44 (0 comments, 7 reshares, 15 +1s)

Random numbers are too important to be left to chance

There's no program that can generate truly random numbers.  That's why people talk about pseudorandom numbers.   But now 'pseudo' takes on a whole new meaning: the NSA has been getting companies to make their random number generators less random!  Bruce Schneier of The Guardian writes:

As was revealed today, the NSA also works with security product vendors to ensure that commercial encryption products are broken in secret ways that only it knows about. We know this has happened historically: CryptoAG and Lotus Notes are the most public examples, and there is evidence of a back door in Windows. A few people have told me some recent stories about their experiences, and I plan to write about them soon. Basically, the NSA asks companies to subtly change their products in undetectable ways: making theran... more »

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2014-03-11 03:26:56 (2 comments, 0 reshares, 4 +1s)

To be able to turn a smartphone into a portable spectrophotometer would be a pretty big breakthrough in field testing. There are definitely lots of instances where a baseline detection method for bacteria or toxins would be useful in determining water and food quality.

Since I'm primarily interested in detecting small molecules that exist naturally in high concentrations, this seems like it could be quite useful for detection in non-critical settings as well, though I probably wouldn't trust it on medical equipment. It also might be nice for quick testing of surfaces before isolation procedures are performed to avoid interference, something I've dealt with quite a bit while working with RNA.

The only thing I'd like to see added would be a quantification feature, since they don't mention one (though I didn't watch the entire video, so correct me if I'm wrong... more »

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2014-03-11 03:26:37 (4 comments, 5 reshares, 47 +1s)

Revisiting The Luddite Fallacy.

The Luddite Fallacy is commonly leveled at the notion that technological unemployment - unemployment caused by technological changes - leads to widespread structural unemployment. It is deemed a fallacy because ever since the rise of printing presses and looms and other automation or labour-saving technologies we have not only destroyed old jobs but created new ones for people to work at - new jobs that could not have been foreseen. Through the seeming miracle of market growth and consumption, structural unemployment has been avoided. 

However, I’m firmly in the camp that think that this time is different, and I share the views of the likes of commentators like Martin Ford (http://www.thelightsinthetunnel.com/) and others. I do not think that the Luddite Fallacy is applicable to the present era of technological change with advanced automation,ro... more »

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2014-03-11 03:25:37 (1 comments, 4 reshares, 13 +1s)

Video: Rare brain condition leaves woman seeing world upside down

"Bojana #Danilovic has what you might call a unique worldview. Due to a rare condition, she sees everything upside down, all the time. The 28-year-old Serbian council employee uses an upside down monitor at work and relaxes at home in front of an upside down television stacked on top of the normal one that the rest of her family watches."

+ScienceSunday  #scienceeveryday  

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2014-03-11 03:24:27 (0 comments, 1 reshares, 4 +1s)

Finally, I am able to start to work on the material from the Geodetic Journey to China and Tibet. We were lucky to get into Tibet just before the conflict not only stopped foreign visitors, but also made it difficult to film even for Chinese scientists. I will work on this this fall. Here you get a glimpse of beautiful Lhasa and the Potala Palace.
   
 #Tibet #geodesy #geodetic #climatechange  

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2014-03-11 03:20:04 (0 comments, 3 reshares, 10 +1s)

Useful links for our article explaining why most psychology interventions do not adequately control for placebo effects

Two days, ago, +Walter Boot, Cary Stothart, Cassie Stutts, and I published a paper in Perspectives on Psychological Science (linked below) arguing that most studies in psychology do not adequately account for the placebo effect. I thought it might be useful to provide all of the relevant links about that paper in one place, so I'm doing so here. I'll update this post as needed.

Paper: http://pps.sagepub.com/content/8/4/445.full

My blog post: http://blog.dansimons.com/2013/07/pop-quiz-what-can-we-learn-from.html

*The public repository for data and information about the studies we conducted and our paper *: http://openscienceframework.org/project/7EB6A/

Frequent Questions Answered:... more »

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2014-03-11 03:19:29 (0 comments, 11 reshares, 46 +1s)

Care Packages for your Neurons

No neuron is an island. It comes as no surprise that the cells that are responsible for something as profound as our thoughts require a lot of support. Neurons are supported by cells known as ‘glial cells’. Optimal brain function depends on glial cells and neurons communicating with each other. But how does this happen at the molecular level? In a fascinating study, published in the #OpenAccess  journal PLOS Biology , researchers in Germany find tantalizing answers to just these questions (http://goo.gl/ojrGuB). I have also written a more in-depth analysis of this paper with more neuroscience terms explained in detail here in this +KnowTheCosmos article (http://goo.gl/2j7Sel)

‘Oligodendrocytes‘ are a type of glial cell that forms the myelin sheath that insulates neurons from the environment and from each other.Oligodendro... more »

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2014-03-11 03:19:11 (1 comments, 1 reshares, 16 +1s)

Tear Down These Walls

I'm really excited about this article I wrote for the Nature Soapbox Science blog. I outline my thoughts on the importance of science outreach, and the two things that stand in the way of public access to science; the paywall and the jargon-wall.

You can read the full article here: http://blogs.nature.com/soapboxscience/2013/08/21/tear-down-these-walls

"Open access is meaningless without a scientist to interpret the findings. Social media can be a powerful tool for science outreach because it allows a general member of the public to contact and query scientists directly. And when scientists respond, the ivory tower is torn down. This engagement is key to breaking through the jargon-wall. The open access debate is a separate issue, but I want to make the point that open access by itself is not enough to make science accessible to... more »

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2014-03-11 03:18:27 (1 comments, 3 reshares, 14 +1s)

Compartmentalized granular gases

Devaraj van der Meer has been studying granular matter and fluid physics for over a decade and in the process, he's exposing their beauty for all to see. You can find a ton of aesthetically pleasing clips on his website; http://stilton.tnw.utwente.nl/people/devaraj/research.html

Excited granular matter is a rich pattern-forming system. The un-mixing or segregation of unlike grains under vibration and flow is a good example and one you might know from the so-called Brazil nut effect where Brazil nuts rise to the top of a packet of mixed nuts when shaken.The cause of this effect is that when shaken, granular (and some other) materials move in a circular pattern. some larger materials (Brazil nuts) get stuck while going down the circle and therefore stay on the top.

Clip below; What started out as a high-school demonstration of the... more »

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2014-03-11 03:17:42 (1 comments, 1 reshares, 4 +1s)

A Peek at Silica Valley
Geological formation of quartzite pillars and caves

What Do You See?

I really like the #ISeeTheWorldWithScience  series started by the Science on Google+ Community. Take or select a photo and create an interesting or unique caption based on any underlying science concepts directly related to the picture. The possibilities are endless, and it's a fun way for curious people to learn something new!

Note that your contribution doesn't have to be detailed or complex (that's just my own preference) and can be a quick & simple observation. So click through to the original for more challenges and tidbits, and check out past ISTWWS posts as well:  https://plus.google.com/105917944266111687812/posts/H5eBCR9qhTi

Rock Formation and Breakdown

The primary type of rock seen in the original post belowi... more »

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2014-03-11 03:16:56 (0 comments, 5 reshares, 11 +1s)

+Steve Ramirez and Xu Liu of Tonegawa Lab at +Massachusetts Institute of Technology (MIT) share their epic research on memory formation on TED.com!

PS check out the hangout we did last week with Steve for +EyeWire and +YouTube  #GeekWeek  : Faking It: Neuroscience of Memory

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2014-03-11 03:16:19 (1 comments, 5 reshares, 18 +1s)

Adding Insult to Injury

Did You Know? Mosquitoes don’t just bite you --They also urinate on you after sucking your blood .

+Lareb Qudsi 's provocative statement in a Science Bytes post (http://goo.gl/BlbKpZ) was confirmed by this stunning video shot by +Jaanus Terasmaa : watch the drops of urine shoot out of this mosquito's rear end while her stomach bloats with blood. Why does this happen? We figured it out, thanks to the comments and contribution of SoG+ community members. 

Community Science : It turns out that the adult female mosquito consumes more than her body weight in blood. The blood meal, which secures proteins and nutrients for developing eggs, is a challenge to the mosquito both physiologically (e.g., salt and volume loading) and ecologically (e.g., increased predation risk) because it makes her slow and heavy. However, water releasefro... more »

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2014-03-11 03:15:55 (0 comments, 10 reshares, 26 +1s)

Feeding extra 4 billion people

Last week this article
"Redefining agricultural yields: from tonnes to people nourished per hectare" (http://iopscience.iop.org/1748-9326/8/3/034015/) caught my eye. After going through the paper's abstract I became very interested and read the whole thing. The numbers presented in this paper are very thought provoking with huge implications. I decided to share some of the major numbers of the paper to help disseminate its massage to a greater audience.

(apologies for long post; lot of interesting things needed to be said)
-----------------------------------------------------
(Paraphrasing the article's text for the sake of coherence)

Introduction - Human population is projected to increase by 60-120% by the year 2050. Economic growth in many countries (roughly 40% of world... more »

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2014-03-11 03:15:31 (2 comments, 32 reshares, 103 +1s)

Bézier curves
Bézier curves are used in computer graphics to draw smooth curves. Bézier curves can be constructed geometrically by letting the pen move along a line segment between two points, that each move along a line segment between two points, that each move…
The curve has a starting point, an endpoint, and a number of control points that steer the movement of the pen. This construction is due to a French physicist and mathematician called de Casteljau.

De Casteljau’s algorithm can be used to split a Beziér curve in two halves. By splitting the curve, it can be drawn using a divide-and-conquer-algorithm:
If the curve is flat enough, draw a line segment between the starting point and endpoint; otherwise split the curve and draw each of the halves recursively.

As we zoom in on the curve, it will get flatter and flatter. Therefore the recursion will end!The fla... more »

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2014-03-11 03:14:53 (17 comments, 52 reshares, 189 +1s)

A piece of pi

The number pi or π, (approximately 3.14159265) is one of the most important quantities in mathematics. It is perhaps best known in the context of circles: a circle of diameter 1 has circumference equal to π.

This picture, created by Cristian Ilies Vasile, is a graphical representation of the first 10,000 digits of π. Each segment represents a digit from 0 to 9, and within each segment, there are 10,000 positions, one for each digit of π being represented. We write “m:n” as shorthand for “position n of segment m”.

Each of the coloured strands represents a link between two successive digits, so the first two digits of π (3 and 1) are represented by a strand from 3:0 to 1:1; in other words, from position 0 of segment 3 to position 1 of segment 1. The sequence of coloured strands continues according to the sequence 3:0 → 1:1 → 4:2 → 1:3→ 5:4 ...
... more »

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2014-03-11 03:14:33 (14 comments, 7 reshares, 39 +1s)

See 4D
with Alicia Boole

Starting at eighteen, with little specially coloured cubes, that had been devised by a regular visitor to her home, Charles Howard Hinton, to visualise the four dimensional Teseract which he had named, Alicia Boole was able to develop a phenomenal ability to visualise four dimensions. She went on, as Alicia Boole Stott, to publish papers on the subject, share her models and collaborate with other mathematicians.

In the same way that we cut through three dimensional shapes with an infinitely thin knife in order to visualize their two dimensional cross-sections, and perhaps with a lot of practice, and the right use of angles, we can work backwards from cross-sections to reproduce the solid, Alicia was able to mentally cut through four dimensional polytopes to see the three dimensional shapes that are their sections. She was able to see these polyhedra... more »

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2014-03-11 03:14:12 (0 comments, 2 reshares, 12 +1s)

I thought some you might be interested in my actual work here at +SETI Institute. I get to analyze data that catalogs meteors. The picture is a screenshot of the final step in the "coincidence" process (coincidence because you need at least two cameras in two different locations to coincidentally record the same meteor for it to count).

The top left is a graph of height vs. magnitude. The various colours represent each of the different cameras that caught the streak. Meteors should show a traditional light curve that brightens and then dims. Every so often, we find a meteor that has a double increase in brightness (the curve looks like the back of a two-humped camel). Sometimes, the curves are more like sharp peaks.

The bottom left graph is a side view of the meteor trail, with downrange on the x-axis and height on the y-axis. Meteors should have a negative slope.
... more »

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2014-03-11 03:13:23 (0 comments, 2 reshares, 8 +1s)

The Amazing, Changing, Aging Brain

#3 in my series for International Brain Awareness Week.  In addition to needing to do a #brain post, I also needed to finalize my text for the 3 Minute Thesis I'm supposed to tape tomorrow in advance of our University's competition - so this post doubles for both. And having done this now - trying to summarize years of scientific research for a lay audience in a 3 minute presentation - I think that every graduate dean whose university is hosting a 3MT should have to do one himself or herself. The students make it look so easy, but it really is incredibly hard!! You can check out some of the winning 3MTs from this U Queensland site (where it all started): http://goo.gl/8rcMd 

Canada is graying before our very eyes. The fastest-growing segment of the population is now the 65+ crowd. This means that the traditional populationp... more »

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2014-03-11 03:11:09 (2 comments, 7 reshares, 31 +1s)

Signal Vs Noise, Quality Vs Quantity

I've been meaning to write this post for a few weeks now.  It is based on my observations here on G+ over the course of the last month. Bear with me as I put down my jumbled thoughts.

I have come to realize that when it comes to science outreach, engagement is the most important thing there is. 

Why does engagement matter? Science is about asking questions, discovering the answers and then, most importantly, having that process lead to even more questions. Science doesn't have an endpoint, it is a continuous journey of discovery. How does this translate into science outreach via social media? It means when someone reads a science post and has their curiosity aroused, they engage by asking a question. In turn, the author should be around to respond, to kindle those first sparks of curiosity into a passionated... more »

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2014-03-11 03:10:13 (2 comments, 1 reshares, 45 +1s)

What might we find underneath Europa's protective ice shield?

“Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” ― Arthur C. Clarke

A new SF film came out recently, Europa Report, about an international crew of astronauts on a privately funded mission to Jupiter's fourth largest moon. The team dreams of all the discoveries that lie in wait for them on their way over there but unfortunately the ride doesn't go as smooth as planned...

Check out Mark Bruce's spoiler free post if you need any more convincing to go see it > http://goo.gl/aaK3g5 - and save this article until after you've seen it cause it deals with the accuracy of the science portrayed. - http://goo.gl/xgahj6

Europa has emerged as one of the top locations in the Solar System in terms of potential habitabilityand the... more »

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2014-03-11 03:08:41 (1 comments, 4 reshares, 15 +1s)

When fluid dynamics mimic quantum mechanics
http://web.mit.edu/newsoffice/2013/when-fluid-dynamics-mimic-quantum-mechanics-0729.html
This is a followup on this now ancient post; http://goo.gl/ZNafz

A team of MIT researchers, in collaboration with Yves Couder and his colleagues report that they have produced the fluidic analogue of another classic quantum experiment, in which electrons are confined to a circular “corral” by a ring of ions. In the new experiments, bouncing drops of fluid mimicked the electrons’ statistical behavior with remarkable accuracy.

This drop of fluid, bouncing across a vibrating fluid bath, propelled by waves produced by its own collisions "is the first pilot-wave system discovered and gives insight into how rational quantum dynamics might work, were such a thing to exist.”

The waves generated by the bouncing dropletreflecte... more »

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2014-03-10 20:43:22 (13 comments, 10 reshares, 102 +1s)

Upcoming Shark Week + Science!
In-depth shark facts (long post)

The +Discovery Channel is kicking off Shark Week soon with the National Aquarium shark tank live cam and a Google+ Hangout on Air this Sunday, August 4th.
HOA: https://plus.google.com/events/ckse89vof0f63q5i6ngghpeu4r0
Live cam: https://plus.google.com/+DiscoveryChannel/posts/BomUcCbrFcR

You can submit questions using  #SharkWeekHangout .

I was investigating my own questions and thought I'd share some findings for  #ScienceEveryday / +ScienceSunday:

1. What do white sharks eat in the wild? Do they primarily hunt seals?
(RIP Snuffy - http://dsc.discovery.com/tv-shows/shark-week/videos/its-a-bad-week-to-be-a-seal.htm )
2. How (in)significant of a role does shark eyesight have on hunting ability?
3. How(un)co... more »

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2014-03-10 20:41:52 (11 comments, 16 reshares, 59 +1s)

Study Finds Meditation Increases Compassionate Responses to Suffering
After 8 weeks of meditation practice, people were 3 times more likely to give up their seat for a woman using crutches compared to people who didn't meditate.

via http://www.nytimes.com/2013/07/07/opinion/sunday/the-morality-of-meditation.html

The research paper: http://www.socialemotions.org/page5/files/Condon.etal.2013.pdf

I found it interesting that the numbers were so low in both cases: only 16% of non-meditators gave up their seat, compared to 50% of meditators. I'd like to think that if I was in a waiting room where every seat was taken, and a woman walked in with crutches and looked like she was in pain, I'd give her my seat! But that's the bystander effect (http://en.wikipedia.org/wiki/Bystander_effect) in practice: the more bystanders there are, the less likely... more »

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2014-03-10 20:40:21 (2 comments, 3 reshares, 29 +1s)

Fruit Fly Sexy Time

This is one of the most awesome papers I have read in a while. It looks at the mating habits of male fruit flies, Drosophila melanogaster, and questions the molecular mechanism behind why  male fruit flies don't mate with females from different species of fruit fly. 

As a slight aside, this paper is full of gems such as "D. virilis females were not receptive to D. melanogaster males as evidenced by repeated kicking and walking away (data not shown)". Unfortunately the paper is behind a paywall, but if you can access Cell here is the link: http://goo.gl/41FWuK

✤ Animals rarely pick mates from other species. But what are the molecular mechanisms behind this? Up until now, neural pathways that suppress interspecies courtship have been poorly understood. The fruit fly, Drosophila melanogaster offers a powerful modelsys... more »

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2014-03-10 20:39:05 (3 comments, 2 reshares, 7 +1s)

Hmm, I think the public needs more education on GMOs and transgenic organism (both plants and animals) in general:

"Asked if tomatoes containing a gene from a fish would “taste fishy” in a question on a 2004 poll conducted by the Food Policy Institute at Rutgers University that referred to one company’s efforts to forge a frost-resistant tomato with a gene from the winter flounder, fewer than half correctly answered “no.” 

Putting a fish gene into a tomato plant will not make it "taste fishy" any more than putting human genes into yeast (which I do all the time) turns the yeast cells into human cells.

These types of transgenic (i.e. putting genes from one organism into another) genetic changes can be quite subtle (minor) mainly because of evolutionary conservation of many genes from yeast to tomatoes to fish to humans.

Moreover, a tomatois a tomat... more »

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2014-03-10 20:38:19 (2 comments, 8 reshares, 36 +1s)

How to Build an Eye

I came across a paper today with this fantastic image that I simply had to write about. Its another #OpenAccess paper, published in PLOS Biology (http://goo.gl/NmvA9). The image shows an eye from a human, mouse, zebrafish and a fruitfly. It also shows what happens when an important gene in eye development, pax6 is mutated. It's fascinating that despite all these differences between us and such a diverse range of species, we still share the same basic developmental pathways.

✤ The compound eye of a fruit fly is very different to our squidgy gelatinous eyeball. But the embryonic development of our eyes and the fruit fly eye are virtually identical. 

✤ In humans, a gene known as pax6 (in fruit flies it is known as eyeless) is a key player in eye development. As an aside, many Drosophila genes have interestingname... more »

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2014-03-10 20:37:04 (1 comments, 7 reshares, 50 +1s)

Sometimes you see a couple of animals or plants and you think to yourself 'wow they are really similar - they must be related'.  And sometimes (but not always) its true.  Sometimes you look at some fish larvae and adults and think 'no way are those guys the same - they are too different!  Must be separate species'.  But they aren't always.  

It all comes down to adapting to your environment, and your current needs.  Generally speaking, when your a small larvae, you really want to grow quick and avoid predation.  When your an adult, you want to 'sow your wild oats' and avoid predation.  These two life stages require often different body plans (shape, size, colouration, etc.) to maximise survival and (eventually) reproduction chances.  In marine teleost fish the colouration between juvenile and adults of the same species is often very different...the mechanismsbehind t... more »

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2014-03-10 06:05:14 (1 comments, 5 reshares, 28 +1s)

KEW GARDENS - Beyond the Gardens: The Millennium Seed Bank Partnership

Most people know Kew Gardens as home of the world's largest living plant collection but are not aware that it is also the location of an internationally important botanical research and educational institution

#sciencesunday  

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2014-03-10 06:00:54 (4 comments, 4 reshares, 31 +1s)

2 minute summary.... http://youtu.be/lsxd0JoUkDE

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2014-03-10 05:52:01 (5 comments, 5 reshares, 37 +1s)

SciTech #ScienceSunday Digest 7 - 17th Feb 2013
Sensory neuroprostheses, RoboRat tormentor, improved optogenetics, nanotube synapses, IBM's Watson, gene therapy for diabetes, etc.

1. Infrared Neuroprosthesis Enables Rats to Process Infrared Light with Tactile Neural Circuits.
Animals can learn to perceive otherwise invisible infrared light through a neuroprosthesis that couples the output of a head-mounted infrared sensor to their somatosensory cortex via intracortical microstimulation http://www.nicolelislab.net/?p=345. In this proof-of-concept rats were able to use this new information from the infrared sensor to help navigate environments, but were also able to maintain normal whisker sensation and utility despite the microstimulation from the infrared prosthesis being “plugged into” the same cortical circuits as the whiskers; the original tactilerep... more »

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2014-03-10 05:40:33 (0 comments, 2 reshares, 20 +1s)

Alya Red: A Computational Heart

"No man-made structure is designed like a heart. Considering the highly sophisticated engineering evidenced in the heart, it is not surprising that our understanding of it comes so slowly". - Daniel D. Streeter Jr.

Alya Red: A Computational heart combines illustration, three-dimensional renderings and live-action video to describe the basic science of the heart in easy-to-understand language. The video won top honors in the video category as well as a People's Choice award for the 2012 International Science and Engineering Visualization Challenge.

View more award-winning visuals: http://goo.gl/Ztb2e

Credit: Guillermo Marin, Fernando Cucchietti, mariano Vasquez and the Barcelona Supercomputing Center.

#ScienceEveryday  

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2014-03-10 05:35:32 (5 comments, 5 reshares, 23 +1s)

Do you have the genes for leadership? 

Born to Lead? Leadership Can Be an Inherited Trait, Study Finds

Genetic differences are significantly associated with the likelihood that people take on managerial responsibilities, according to new research from UCL (University College London).

"We have identified a genotype, called rs4950, which appears to be associated with the passing of leadership ability down through generations," said lead author Dr Jan-Emmanuel De Neve (UCL School of Public Policy). "The conventional wisdom -- that leadership is a skill -- remains largely true, but we show it is also, in part, a genetic trait."

They compared genetic samples of approximately 4,000 individuals with information about jobs and relationships, finding that in both surveys there was a significant association between rs4950 and leadership.... more »

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