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An old color photo of Carl Sagan, facing away from the camera, holding his hands up in front of him so that a state trooper can arrest him. They are surrounded by a gaggle of other people, and some cars, and the Nevada desert can be seen in the background.

An old color photo of Carl Sagan, facing away from the camera, holding his hands up in front of him so that a state trooper can arrest him. They are surrounded by a gaggle of other people, and some cars, and the Nevada desert can be seen in the background.

An old new paper clipping featuring a black-and-white photo of several people waving from the windows of a school bus. In the center, Carl Sagan, wearing glasses, waves and smiles broadly.

The caption reads:

Astronomer Carl Sagan, center, smiles from bus after his arrest Sagan and 138 other demonstrators were arrested after protesting a nuclear test in Nevada 

The title of the article reads:

139 activists arrested at nuclear test
allowable under the Limited Test
By TIM DAHLBERG
Associated Press Writer

The copy: 

LAS VEGAS, Nev. - About 500
physicians and peace
activists
gathered at the Nevada Test Site to urge the government to halt nuclear weapons' testing as scientists detonated an underground nuclear test.
Authorities arrested 139 of the demonstrators Tuesday, including noted astronomer Carl Sagan, who crossed a symbolic white line marking the boundary to the test site.
It was the 17th announced underground nuclear test since the Soviet Union declared a unilateral moratorium on testing Aug. 9, 1985.
"We must push for the termination of this madness." Dr. Bernard Lown,
co-president of the International Physicians for Prevention of Nuclear War, said.
The blast had a yield of up to 150,000 tons of TNT, the maximum
Ban Treaty. It was detonated at 6:30
dubbed Camp Desert Rock, where tens of thousands of military person-
p.m. EDT after being delayed for 742 hours by strong winds.
nel took part in atmospheric nuclear tests three decades ago.
The arrests came an hour after
"Unlike a real nuclear war, this
the powerful explosion rocked the
one passed us by," Sagan said.
desert floor from 2,000 feet beneath
Sagan, his wife, Ann Druyan, and
the desert. There was no noticeable Dr.
Jack
Geiger, head of the
ground motion at the protest site,
Physicians for
Social
Responsi-
and Department of Energy officials
bility, an anti-nuclear group, linked
said the demonstrators were in no
arms after the test to become the
danger.
"It was thoughtful of the DOE to first to cross the …

An old new paper clipping featuring a black-and-white photo of several people waving from the windows of a school bus. In the center, Carl Sagan, wearing glasses, waves and smiles broadly. The caption reads: Astronomer Carl Sagan, center, smiles from bus after his arrest Sagan and 138 other demonstrators were arrested after protesting a nuclear test in Nevada The title of the article reads: 139 activists arrested at nuclear test allowable under the Limited Test By TIM DAHLBERG Associated Press Writer The copy: LAS VEGAS, Nev. - About 500 physicians and peace activists gathered at the Nevada Test Site to urge the government to halt nuclear weapons' testing as scientists detonated an underground nuclear test. Authorities arrested 139 of the demonstrators Tuesday, including noted astronomer Carl Sagan, who crossed a symbolic white line marking the boundary to the test site. It was the 17th announced underground nuclear test since the Soviet Union declared a unilateral moratorium on testing Aug. 9, 1985. "We must push for the termination of this madness." Dr. Bernard Lown, co-president of the International Physicians for Prevention of Nuclear War, said. The blast had a yield of up to 150,000 tons of TNT, the maximum Ban Treaty. It was detonated at 6:30 dubbed Camp Desert Rock, where tens of thousands of military person- p.m. EDT after being delayed for 742 hours by strong winds. nel took part in atmospheric nuclear tests three decades ago. The arrests came an hour after "Unlike a real nuclear war, this the powerful explosion rocked the one passed us by," Sagan said. desert floor from 2,000 feet beneath Sagan, his wife, Ann Druyan, and the desert. There was no noticeable Dr. Jack Geiger, head of the ground motion at the protest site, Physicians for Social Responsi- and Department of Energy officials bility, an anti-nuclear group, linked said the demonstrators were in no arms after the test to become the danger. "It was thoughtful of the DOE to first to cross the …

"Annie and I were arrested several times at the Nevada nuclear test site. We organized three of the largest acts of nonviolent civil disobedience against US nuclear testing…My point of view is that it’s just something you do as a citizen."

-Carl Sagan, 1992

🧪 #BlueSci #Iran @standupforscience.net

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🧪 🩺 🛟 #BlueSci #MedSky #PublicHealth #StandUpForScience

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‼️🚨‼️🚨‼️🚨

🧪 🩺 🛟 #BlueSci #MedSky #PublicHealth #StandUpForScience

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Video

David Rothkopf’s explanation of what Epstein says about our society and what we value on today’s @thedailybeast.bsky.social pod is a real banger.

I had to chop it up and speed it up a bit to make it fit but I highly recommend the full episode: pca.st/episode/0fda...

🧪 #BlueSci #AcademicSky

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Preview
SCIENCE IRL: SciComm mini-grant 2026 Skype a Scientist is offering $300-$1,000 mini-grants to support boots-on-the-ground science communication. The Science IRL mini-grants will support projects that put either 1) important science mess...

Skype-a-scientist does small grants ($300-$1000) for creative #SciComm projects in your local community! You don't have to be a scientist to apply.

docs.google.com/forms/d/e/1F...

🧪 #BlueSci

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#BlueSci 🧪

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Post image

#bioinformatics #statistics #memes #bluesci

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🧪 #BlueSci

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A digital drawing made from an oil painting by the poster, showing pigeons taking off. The eyes of two birds one on the ground, one in flight, are highlighted. The paper discusses the function of the bird eye - with its inner retina able to sustain high metabolism in anoxia, thanks partially to the action of the pecten - a structure suspended in the back chamber of the eye

A digital drawing made from an oil painting by the poster, showing pigeons taking off. The eyes of two birds one on the ground, one in flight, are highlighted. The paper discusses the function of the bird eye - with its inner retina able to sustain high metabolism in anoxia, thanks partially to the action of the pecten - a structure suspended in the back chamber of the eye

Bird's eye view: How do birds' inner retinae work engergetically if they don't have pre-retinal blood vessels? What does the pecten do? If some of these words/concepts sound interesting to you - read www.nature.com/articles/s41...
Led by Christian Damsgaard & others @au.dk & beyond #BlueSci #SciArt

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Cover of BlueSci Issue 62: A magnifying glass reveals vibrant illustrations of microbes, archaeology, art, and wildlife—exploring the theme 'Unseen Worlds' from Cambridge University Science Magazine.

Cover of BlueSci Issue 62: A magnifying glass reveals vibrant illustrations of microbes, archaeology, art, and wildlife—exploring the theme 'Unseen Worlds' from Cambridge University Science Magazine.

We were delighted to be featured in the latest issue of #BlueSci (@bluescicam.bsky.social) & spotlight a few University of Cambridge students active as part of our community sites @the-node.bsky.social @focalplane.bsky.social

Read BlueSci Issue 62, 'Unseen Worlds', here: www.bluesci.co.uk/issue/

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Yes we do ⬇️ looks like a great program. Thanks for sharing @bridgetmcgann.medsky.social

#womenInStem #tomorowsLeaders #bluesci #higjtech #tech @womenintech.bsky.social

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Preview
Academic Mamas Foundation Join us at Academic Mamas, empowering mothers in academia worldwide. Access innovative programs and resources to thrive in an inclusive community. Celebrate the unique challenges and triumphs of…

Share this with a colleague. This org does grants for academic moms to help with things like childcare at a conference, covering unpaid days off with a sick kiddo, or just getting through a rough patch.

We need more stuff like this.

🧪 #WomenInSTEM #BlueSci #SciMom

iamas.com/academic-mam...

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Do you have an awesome scientific project manager? If so, how did you find them? Asking on behalf of an awesome lab.

#BlueSci 🧪

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🛟🩺🧪 #BlueSci

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Post image

No Kings 2025-10-18
#bluesci

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Preview
When women researchers publish, media attention doesn’t always follow Men-led papers receive more media coverage than women’s, new study finds

Media bias against women doesn’t just hurt female scientists’ careers; it also biases the information that gets the the public.

For example, my field, lactation science, is likely a thing you just now learned exists.

www.science.org/content/arti...

🧪 🛟 🩺 #BlueSci #MedSky #WomenInSci #SciMoms

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🧪🛟🩺 #MedSky #BlueSci #PublicHealth #EpiSky

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Registration

Registration is open!

There’s a QR code in the flyer but here’s a link:

🔗 hmi.ucsd.edu/symposium/re...

🧪🛟🩺 #BlueSci #MCH #LactationMedicine #Breastfeeding #PedSky #pediatrician #ChildHealth #NICU #MedSky #HumanMilk #IBCLC #Lactation #DOHaD #LactSci #TaylorSwiftPuns

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🧪🛟🩺 #SciJob #BlueSci #JobAlert

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Trump vs. Higher Education: Last Week Tonight with John Oliver (HBO)
Trump vs. Higher Education: Last Week Tonight with John Oliver (HBO) YouTube video by LastWeekTonight

Abusing my feed privileges to tell you all that #HigherEd— that is, *we*—need to step up.

Idk what it is—maybe a mass walk-out or strike. A Board of Trustees sit-in. We have to do SOMEthing. Or we will lose

e v e r y t h i n g.

🧪🛟🩺 #BlueSci

youtu.be/xk94il8L820?...

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Looking for #book #recommendations on seminal works explaining how social movements take off, or don't.

Thanks in advance #bluesci

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Welp.

#AcademicSky #HASS #Sociology #Science #BlueSci

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Hey, #BlueSci. You’ve all read Project Hail Mary, right?

Abusing my 🧪 powers because this is important.

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Preview
Structure-informed microbial population genetics elucidate selective pressures that shape protein evolution An integrated analysis framework shows a strong association between within-population genetic variation and protein structure.

It's like you can see the interaction between ecology and evolution happening right in front of you. 💚🦠🧬
#mevosky #bluesci

www.science.org/doi/10.1126/...

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Post from @astrokatie.com that has an “astrophysics” label on her account

Post from @astrokatie.com that has an “astrophysics” label on her account

Great to see more voices from the #BlueSci!

I’m Richard, I’m a preventive medicine fellow at UCLA, and a faculty advisor for the Latino Medical Student Association.

I’m also the creator of @stemlabels.xyz, a labeler that gives STEM specialists labels on Bluesky (there’s over 450 to choose from!).

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Happy #WorldBreastfeedingWeek everybody!

🤱🏽👩🏻‍🍼🧑🏾‍⚕️💕🌍🌱

🧪 🛟 🩺 #scicomm #WBW2025 #BlueSci #MCH #MedSky #OBsky #PedSky #IBCLC #lactation #ReproductiveHealth

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What is optical aberration ?
What is optical aberration ? YouTube video by LMF@MDIBL

Do you see chromatic aberration in your images? www.youtube.com/shorts/9lyix...

#science #microscopy #bioimaging #microscopymonday #chromaticaberration #bluesci #mdibl

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A brightly colored event flyer with a pink purple and teal background featuring a breastfeeding Reddit alien. 

TODAY! 12-5pm eastern time
WE ARE LACTATION RESEARCHERS:
ASK US
ANYTHING!
r AskScience

A public Q&A session with human milk & breastfeeding researchers

In celebration of World
Breastfeeding
Week

You can start posting questions at
7AM EST
12-5 PM EST

A brightly colored event flyer with a pink purple and teal background featuring a breastfeeding Reddit alien. TODAY! 12-5pm eastern time WE ARE LACTATION RESEARCHERS: ASK US ANYTHING! r AskScience A public Q&A session with human milk & breastfeeding researchers In celebration of World Breastfeeding Week You can start posting questions at 7AM EST 12-5 PM EST

The lactation science Ask Me Anything is live and open for questions! We will begin answering at noon Eastern.

#BlueSci #WorldBreastfeedingWeek2025 #OneHealth #PedSky 🧪🛟

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The lactation science Ask Me Anything is live and open for questions! We will begin answering at noon Eastern.

www.reddit.com/r/askscience...

#BlueSci #WorldBreastfeedingWeek2025 #OneHealth #PedSky 🧪🛟

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🧪 🛟 #BlueSci #PublicHealth #breastfeeding #SciComm #WBW2025 #PrioritiseBreastfeeding
#CreateSustainableSupportSystems

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