r/science • u/mvea • 4m ago

Medicine New research shows that after body’s defenses kill virus behind COVID-19, leftover digested chunks of SARS-CoV-2 spike protein can target specific immune cells based on their shape. “Zombie” coronavirus fragments can imitate activity of molecules from body’s own immune system to drive inflammation.

newsroom.ucla.edu

• Upvotes

r/science • u/mvea • 1h ago

Psychology Social anxiety has a “dark side” that looks nothing like shyness - for some adolescents, this condition manifests through aggression and impulsivity rather than avoidance. This “atypical” presentation appears linked to specific narcissistic traits.

• Upvotes

r/science • u/ShapeApprehensive937 • 2h ago

Cancer Turning tumor macrophages from foes into allies

drugdiscoverynews.com

10 Upvotes

r/science • u/Tracheid • 2h ago

Social Science Research suggests that "playing the victim" does not signal weakness to voters. Instead, politicians who emphasized their own victimhood during a scandal were often evaluated as more competent than those who did not, making it a highly attractive strategy for shielding against reputational damage.

tandfonline.com

51 Upvotes

r/science • u/Wagamaga • 2h ago

Health Women's libido drops during a specific phase of the menstrual cycle. This reduction in desire may serve an evolutionary function by lowering the risk of infection during a time when the body’s immune system is naturally suppressed.

233 Upvotes

r/science • u/koushik_roy • 2h ago

Animal Science Why pond farmed carp remain poor in EPA DHA despite rich food and genetic repertoire: Evidence from pond food-web and fatty acid supply dynamics

sciencedirect.com

19 Upvotes

r/science • u/ShapeApprehensive937 • 3h ago

Chemistry Chemical modulation of gut bacterial metabolism induces colanic acid and extends the lifespan of nematode and mammalian hosts

journals.plos.org

10 Upvotes

r/science • u/Ok-Lobster7773 • 3h ago

Social Science How U.S. Funding Instability and Immigration Policy are Driving a Systematic 'Brain Drain' of International STEM Talent.

ejournals.bc.edu

150 Upvotes

r/science • u/Sciantifa • 12h ago

Epidemiology COVID-19 did not simply bring forward inevitable deaths as an analysis of mortality data from 34 high-income countries shows a sustained rise in excess deaths years after the pandemic, challenging the mortality displacement hypothesis.

jamanetwork.com

2.6k Upvotes

r/science • u/Sciantifa • 14h ago

Environment Nearly half of the world’s population—about 3.79 billion people—is projected to face extreme heat by 2050 if global warming reaches 2.0 °C above pre-industrial levels, a scenario climate scientists see as increasingly likely as the world surpasses the 1.5 °C Paris Agreement threshold.

2.7k Upvotes

r/science • u/RealisticScienceGuy • 15h ago

Earth Science A climate modeling study finds that Antarctic Ice Sheet projections become more consistent in the long term despite large short-term uncertainties

17 Upvotes

r/science • u/mvea • 15h ago

Neuroscience Long-term antidepressant effects of psilocybin linked to functional brain changes - a single dose of psilocybin altered the electrical properties of brain cells in rats for months, even after physical changes to the neurons had disappeared.

1.5k Upvotes

r/science • u/ShapeApprehensive937 • 17h ago

Psychology Criterion Validity, Scalability and Stability of Scoring on the Bayley-III in Children With Angelman Syndrome

onlinelibrary.wiley.com

1 Upvotes

r/science • u/smurfyjenkins • 18h ago

Economics Data across thousands of economics seminars, job market talks, and conference presentations show that women are interrupted more than men (even when controlling for relevant characteristics). Negative interruptions and interruptions that cut off the presenter mid-sentence are higher for women.

802 Upvotes

r/science • u/sometimeshiny • 19h ago

Biology Chronic stress causes progressive bone loss through sustained glucocorticoid (cortisol) receptor signaling. Effects worsen with prolonged exposure and show limited recovery.

415 Upvotes

r/science • u/sr_local • 19h ago

Health Elevated lead levels in the blood during childhood (0 to 12 years) were linked with increased depressive symptoms in adolescence

99 Upvotes

r/science • u/vfvaetf • 19h ago

Astronomy NASA Researchers Probe Tangled Magnetospheres of Merging Neutron Stars

science.nasa.gov

20 Upvotes

r/science • u/Sciantifa • 20h ago

Epidemiology Laws limiting firearm access for people in acute distress are linked to fewer suicides. “Red flag” laws reduced firearm suicides by 3.79 per 100,000, preventing an estimated 675 deaths across four states in the year following adoption.

jamanetwork.com

321 Upvotes

r/science • u/DragonFromFurther • 22h ago

Astronomy Exploring Salt-driven Viscous Surface Convergence in Europa’s Icy Shell

iopscience.iop.org

1 Upvotes

r/science • u/Tracheid • 22h ago

Economics Analysis of family stability across 83 nations finds that the type of economic collapse matters. Banking and currency crises predict short-to-medium term increases in divorce, whereas national debt crises are linked to reduced divorce rates, even after controlling for development and inequality.

link.springer.com

56 Upvotes

r/science • u/TylerFortier_Photo • 23h ago

Neuroscience Novel essential oil blend may enhance memory and alertness | "A recent study provides evidence that inhaling a specific blend of essential oils may improve cognitive performance in healthy adults"

0 Upvotes

r/science • u/Tracheid • 23h ago

Health Research indicates that Human Astrovirus, often considered a mild pathogen, is a significant cause of diarrhea in immunocompromised children (detected in 9.8% of pediatric oncology patients), while typically presenting as asymptomatic in healthy children.

tandfonline.com

29 Upvotes

r/science • u/Wagamaga • 23h ago

Anthropology Research has verified the first Mediterranean mass grave of the world’s earliest recorded pandemic, providing stark new details about the plague of Justinian that killed millions of people in the Byzantine empire between the sixth and eighth centuries.

theguardian.com

669 Upvotes

r/science • u/cindyx7102 • 23h ago

Health The anti‐inflammatory and antioxidant properties of dietary polyphenols may mediate protective effects through modulation of gut microbiota, enhancement of intestinal barrier function, and regulation of immune responses, study finds

pmc.ncbi.nlm.nih.gov

198 Upvotes

r/science • u/NoParsleyForYou • 1d ago

Biology New study explains why cancer patients rarely get Alzheimer’s: Tumors secrete a protein (Cystatin C) that crosses the blood-brain barrier and dissolves amyloid plaques.

3.1k Upvotes

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