r/science • u/MarzipanBackground91 • 1h ago

Biology Starfish-inspired wearable uses 5 flexible arms to record ECG/SCG/GCG heart signals during motion. AI analyzes all 3 signals for 91% accurate real-time detection of atrial fibrillation, heart attacks, and failure. Lightweight (1.7g), waterproof, and smartphone-linked.

science.org

• Upvotes

1 comment

r/science • u/MarzipanBackground91 • 1h ago

Biology New nanomechanical biosensor detects HIV p24 antigen at 100 fg/mL in 15 mins, using antibody-coated cantilevers. Works across HIV subtypes, enabling rapid, portable early diagnosis. Could revolutionize point-of-care testing

sciencedirect.com

• Upvotes

1 comment

r/science • u/MarzipanBackground91 • 2h ago

Neuroscience Study found chronic alcohol impaired decision-making in male rats more than females. Males struggled to adapt to reward changes, while females were less affected. Alcohol altered brain reward processing differently by sex, suggesting why addiction impacts genders differently.

science.org

43 Upvotes

2 comments

r/science • u/calliope_kekule • 2h ago

Environment China’s reforestation has turned land-use from a carbon source into a huge carbon sink, absorbing one-third of national land carbon emissions since 2001.

doi.org

135 Upvotes

1 comment

r/science • u/mvea • 4h ago

Economics New study finds that over 95% of sponsored influencer posts on Twitter (now X) were not disclosed. A large number of consumers can’t detect the sponsorship arrangement without disclosure. The consumer-protection regulatory environment around undisclosed sponsorships has lagged behind.

informs.org

501 Upvotes

14 comments

r/science • u/FalconEducational260 • 5h ago

Animal Science In the Calls of Bonobos, Scientists Hear Hints of Language - The New York Times

nytimes.com

184 Upvotes

16 comments

r/science • u/USCDornsifeNews • 5h ago

Physics A new approach redefines the conception of black holes by mapping out their detailed structure

link.springer.com

31 Upvotes

2 comments

r/science • u/MarzipanBackground91 • 6h ago

Chemistry Improved platinum-cerium catalysts with hydrogen boost performance. Clean carbon monoxide 9x faster. Make propylene 2.3x more efficiently. Advanced tools revealed atomic structure. Could enable cleaner, cheaper chemical production.

science.org

15 Upvotes

1 comment

r/science • u/MarzipanBackground91 • 7h ago

Computer Science Countries regulate healthcare AI differently. Predictive AI follows existing medical device rules while generative AI lacks clear standards. Protecting patient data is crucial. Experts urge international cooperation to align regulations and ensure safe, ethical AI use in medicine worldwide.

ai.nejm.org

15 Upvotes

1 comment

r/science • u/MarzipanBackground91 • 8h ago

Computer Science DreamerV3 is a breakthrough AI that learns 150+ tasks—games, robotics, even Minecraft diamonds—from scratch, no task-specific tuning needed. It outperforms specialized models by "imagining" future outcomes. Finally, an AI that doesn’t break when rewards change.

nature.com

0 Upvotes

1 comment

r/science • u/MistWeaver80 • 10h ago

Health A switch of just two weeks from a traditional African diet to a Western diet causes inflammation, reduces the immune response to pathogens, and activates processes associated with lifestyle diseases. Conversely, an African diet rich in vegetables, fiber, and fermented foods has positive effects.

eurekalert.org

5.8k Upvotes

268 comments

r/science • u/GeoGeoGeoGeo • 11h ago

Geology This Is the Most Detailed Map of Antarctica Ever Made - Scientists compiled decades of data to reveal the continent hiding beneath millions of miles of ice.

atlasobscura.com

985 Upvotes

66 comments

r/science • u/CESRA_highlights • 12h ago

Astronomy Four spacecraft observations show that solar and interplanetary magnetic field guides not only the charged particles, but also directs radio waves via anisotropic scattering

nature.com

30 Upvotes

1 comment

r/science • u/nohup_me • 12h ago

Neuroscience A study has identified specific brain networks that regulate the intensity of political engagement, irrespective of ideology: damage to the prefrontal cortex increases political fervor, while damage to the amygdala reduces it

news.northwestern.edu

259 Upvotes

9 comments

r/science • u/sciencealert • 12h ago

Biology The Great Oxidation Event (GOE) some 2.4 billion years ago established the oxygen-rich atmosphere that many living things depend on today. Curiously, when it came to evolving ways to actively use the element for respiration, some strains of bacteria had a head start.

sciencealert.com

99 Upvotes

5 comments

r/science • u/mvea • 13h ago

Health Deporting immigrants may further shrink the health care workforce. More than 1 million noncitizen immigrants (one-third of them undocumented) work in health care in the US. Many health care workers may be removed if President Trump implements plans to deport undocumented immigrants.

jamanetwork.com

1.0k Upvotes

129 comments

r/science • u/amesydragon • 13h ago

Anthropology In knots archaeologists see evidence of cultural exchange, and perhaps the early sparks of cognition

pnas.org

21 Upvotes

1 comment

r/science • u/nohup_me • 13h ago

Health Scientists have shown that a sequence of just three amino acids may reduce the severity of psoriasis, when applied topically in an emollient cream

birmingham.ac.uk

1.8k Upvotes

28 comments

r/science • u/Forgind1 • 13h ago

Neuroscience Separate neuronal populations 'remember' different macronutrients and influence behavior to seek them out

the-scientist.com

11 Upvotes

1 comment

r/science • u/Wagamaga • 13h ago

Environment Drone experiment reveals how Greenland ice sheet is changing. Greenland lost about 55 gigatons of ice and snow between fall 2023 and fall 2024. The island is shedding ice for the 28th year in a row, and scientists estimate that it has lost more than 5 trillion tons of ice since 1992.

colorado.edu

266 Upvotes

9 comments

r/science • u/flacao9 • 15h ago

Animal Science Meat-eating dinosaurs shared watering holes with their prey

bbc.co.uk

848 Upvotes

87 comments

r/science • u/umichnews • 15h ago

Environment New model published in Nature and developed by the University of Michigan and the University of Colorado shows extreme weather events—like wildfires, windstorms, and heatwaves—can cause major economic losses by disrupting ecosystem services, such as pollination, timber, and recreation

news.umich.edu

74 Upvotes

3 comments

r/science • u/kalmerla • 16h ago

Environment Global impoverishment of natural vegetation revealed by dark diversity

nature.com

16 Upvotes

1 comment

r/science • u/StudyNo2866 • 17h ago

Cancer PFAS, Fluoropolymers and nanomaterials, the invisible hazards of cell phone and computer touchscreens

link.springer.com

75 Upvotes

3 comments

r/science • u/chrisdh79 • 17h ago

Materials Science All-natural elephant skin-inspired fungi tiles offer up to 70% more cooling for buildings | The bumpy surface of these tiles improves cooling by 70% in wet conditions compared to flat mycelium tiles.

technologynetworks.com

430 Upvotes

13 comments

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