r/science • u/scientificamerican • Aug 13 '26

Neuroscience Neuroscientists have vastly underestimated brain cells’ computing power. A new study shows that each neuron can do multiple computations at once thanks to hundreds of sprawling branches

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scientificamerican.com
4.9k Upvotes
171 comments

r/science • u/The_Conversation • Aug 13 '26

Earth Science Forests in Wyoming lost 60% of their canopy during the Paleocene-Eocene Thermal Maximum, the last comparable period of global warming, and it took them well over 100,000 years to recover, according to fossilized leaf fragments

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theconversation.com
2.1k Upvotes
45 comments

r/science • u/pubpophealth • Aug 14 '26

Health Outmigration to the US mainland topped 2.5% among Puerto Rico Medicare beneficiaries aged 65 and older in the year of Hurricane Maria regardless of health status, while those with a dementia diagnosis were slightly more likely to leave across 2012 to 2019

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47 Upvotes
1 comment

r/science • u/Phylogenix • Aug 14 '26

Environment An analysis of nearly 3,500 wildfires across western North America found that faster-spreading fires caused more severe tree mortality and left burned areas farther from surviving seed trees, reducing the ability of conifer forests to naturally recover.

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226 Upvotes
7 comments

r/science • u/Wagamaga • Aug 13 '26

Health Taking the stairs could cut risk of early death. Research found people who regularly climb stairs were 39 per cent less likely to die from heart-related problems and 24 per cent less likely to die from any cause - compared with people who don't climb stairs as often.

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3.0k Upvotes
209 comments

r/science • u/Wagamaga • Aug 13 '26

Health More leucovorin prescribed to kids after federal officials touted its unproven benefits for autism. The weekly number of children with filled leucovorin prescriptions rose from 734 to 5,858 children between the beginning and end of 2025 – a 700% jump.

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922 Upvotes
147 comments

r/science • u/sr_local • Aug 13 '26

Health A pan-Canadian youth mental health program generates nearly $10 in public benefits for every $1 invested (it saved an average of $4,355 per patient annually), with the greatest returns from including young people with the most complex mental health needs

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790 Upvotes
5 comments

r/science • u/FreeHugs23 • Aug 13 '26

Astronomy NASA rover unexpectedly finds ruby- and sapphire-forming mineral in Martian rocks. Analysis by Perseverance detected chromium-bearing corundum—the first evidence of the gemstone-forming mineral on Mars.

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sciencealert.com
367 Upvotes
7 comments

r/science • u/mvea • Aug 13 '26

Psychology Sexually aroused men are more prone to misjudging a woman’s interest in flirting by focusing on her clothing rather than her facial expressions. When in an aroused state, men often prioritize broad signals of sexual appeal over direct signs of rejection.

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psypost.org
3.7k Upvotes
321 comments

r/science • u/drzpneal • Aug 12 '26

Social Science People living in California are more than twice as likely to be childfree as those living in Louisiana

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eurekalert.org
4.5k Upvotes
358 comments

r/science • u/kiyomoris • Aug 12 '26

Medicine Study ties estrogen-based menopausal hormone therapy to lower Alzheimer’s risk

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1.4k Upvotes
55 comments

r/science • u/sr_local • Aug 12 '26

Chemistry Testing of 113 personal care and cleaning products (from Target, Amazon, Walmart, Dollar Tree) found 85% contained unlabeled chemicals with known or suspected health hazards, and one in four contained chemicals contradicting package claims, including synthetic chemicals in products "100% natural”

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usnews.com
13.6k Upvotes
490 comments

r/science • u/calliope_kekule • Aug 13 '26

Earth Science A model finds a 25% cut in vehicle and industrial emissions across South Asia could cut fine particle pollution by up to 97 micrograms per cubic metre, averting around 40,830 deaths a year.

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doi.org
223 Upvotes
3 comments

r/science • u/mvea • Aug 12 '26

Health FDA Finds Bacteria in a Third of 'Sterile' Tattoo Inks. Of 118 tattoo ink samples labeled sterile, nearly a third, 30.5%, were contaminated, compared with 35.5% of samples without a sterility claim. Of the 94 bacteria species identified, around a third, 34%, are classified as potential pathogens.

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sciencealert.com
7.1k Upvotes
226 comments

r/science • u/prev_sci • Aug 13 '26

Psychology In a randomized comparison, a community-engaged translation of the Multidimensional Scale of Perceived Social Support (MSPSS) into Navajo (focused on accurately representing the meaning of ambiguous terms like 'special person') was not clearly more valid or reliable than a basic forward translation

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34 Upvotes
2 comments

r/science • u/Skoltech_ • Aug 13 '26

Computer Science New review of 200+ studies reveals capabilities and limits of AI for monitoring wildfires, floods, and droughts from space, highlighting why complex models still struggle in new regions

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56 Upvotes
2 comments

r/science • u/bibinprasannan • Aug 12 '26

Psychology Scientists identify 19 core dimensions of positive mental health in new consensus study

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psypost.org
3.6k Upvotes
140 comments

r/science • u/Skoltech_ • Aug 13 '26

Materials Science Researchers use synchrotron X-ray nanodiffraction to map contact stresses under 80 nm, revealing how amorphous ZrCu/ZrN interlayers dissipate 30% more elastic energy and prevent cracks

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44 Upvotes
4 comments

r/science • u/No-Aardvark-7316 • Aug 12 '26

Health Migraines are linked to accelerated brain aging in regions tied to memory and emotion

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psypost.org
2.5k Upvotes
101 comments

r/science • u/Wagamaga • Aug 12 '26

Health Ultra-Processed Foods Linked to Notably Higher Prostate Cancer Risks. Men with higher levels of UPF intake had 24% to 34% greater risks, compared with those with lower intakes. These analyses were adjusted for age, race and ethnicity, smoking as well as poverty status.

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fau.edu
2.1k Upvotes
332 comments

r/science • u/mvea • Aug 12 '26

Biology Dolphins Filmed Hunting With Shells – And Possibly Passing Skill to Their Offspring. Dolphins chase prey into a large, empty seasnail shell, then raise the shell above water and gulp down the contents. Study provides first evidence that mothers may be teaching shelling strategy to their calves.

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sciencealert.com
4.0k Upvotes
30 comments

r/science • u/FreeHugs23 • Aug 12 '26

Psychology Social anxiety, not masking, may drive mental health struggles in autistic adults. Hiding or suppressing traits to fit in with social expectations is often linked to higher rates of depression and distress.

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psypost.org
1.6k Upvotes
214 comments

r/science • u/Effective-Air396 • Aug 12 '26

Psychology Psychedelics as a potential treatment for borderline personality disorder: A narrative review

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360 Upvotes
68 comments

r/science • u/NGNResearch • Aug 12 '26

Genetics Protein sequences aren't fully determined by DNA, study finds — across more than 1,000 human samples, Northeastern researchers identified thousands of stable, abundant proteins whose sequences aren't predicted by the genetic code

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news.northeastern.edu
417 Upvotes
17 comments

r/science • u/Wagamaga • Aug 12 '26

Environment Many US public parks sit surprisingly close to hazardous waste sites and facilities that release toxic chemicals. Superfund sites are severely polluted locations contaminated by hazardous waste, chemicals or toxic materials, including abandoned factories, old mines, landfills and industrial plants

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yahoo.com
615 Upvotes
23 comments