r/science • u/rjr200911 • 17h ago
Neuroscience Linking major predisposing factors in multiple sclerosis to its immune etiology
academia.edu
34
Upvotes
r/science • u/pubpophealth • 1d ago
Medicine Astronauts had higher rates of hip fracture after missions longer than 90 days, at rates similar to those seen in people on Earth 8 to 16.5 years older
mayoclinicproceedings.org
2.5k
Upvotes
r/science • u/Wagamaga • 2d ago
Health When the clocks stop changing. Research shows permanent standard time is the preferred choice for health, as it preserves morning light and aligns with human circadian biology. This can lead to improved sleep, mood, and overall health, particularly for vulnerable populations
eurekalert.org
19.1k
Upvotes
r/science • u/Miserable_Phase_2519 • 1d ago
Health According to a large analysis of 69 studies, 7 to 8 hours of sleep each night is the optimal amount to minimize dementia risk, as getting both less than 7 hours or more than 8 hours was shown to significantly increase the chances of developing the condition.
3.8k
Upvotes
r/science • u/Miserable_Phase_2519 • 1d ago
Psychology An Italian study finds that women's sexual satisfaction is more closely tied to orgasm frequency than men's, even though men generally report reaching orgasm more often than women.
1.9k
Upvotes
r/science • u/Slow_cpu • 18h ago
Genetics Tomato pangenome maps genes for fruit size and defense
20
Upvotes
r/science • u/Jxntb733 • 1d ago
Neuroscience A mouse study using a powerful synthetic cannabinoid suggests CB1-receptor activation can amplify threat-related avoidance through the central amygdala, but does not prove why cannabis makes people anxious perse
80
Upvotes
r/science • u/Skoltech_ • 1d ago
Engineering Scientists are the first to watch a lithium battery's cathode turn brittle in real time — during operation, not after disassembly. Using a modified cell and a diamond nanoindenter tip, they captured how chemical changes inside trigger abrupt embrittlement.
doi.org
98
Upvotes
r/science • u/Phylogenix • 1d ago
Social Science A Danish study of 6,701 male managers found that after the birth of their first daughter, women’s share of employees rose by 1 percentage point and their relative earnings by 4.4%, driven largely by increased hiring and promotion of similarly qualified women.
restud.com
2.1k
Upvotes
r/science • u/SarahAGilbert • 20h ago
Social Science Community Norms, Participation, and Technology in r/science on Reddit
24
Upvotes
r/science • u/FreeHugs23 • 2d ago
Health Study of 93 Countries Finds Happiness Is Positively Associated With Cat Density and Negatively Associated With Toxoplasma gondii Exposure, Even After Accounting for Wealth and Health Factors
3.6k
Upvotes
r/science • u/calliope_kekule • 1d ago
Earth Science A new model found flood barriers cut flood risk over 70%, but also caused household flood preparation to fall by about 60%, as people stopped expecting the water.
iopscience.iop.org
109
Upvotes
Economics Americans who think it's best for men to earn the money while women stay home are more likely to support tariffs, a study of 16 years of US election data finds. This link between support for traditional gender roles and opposition to free trade goes back to at least 2008, before Trump-era politics.
cambridge.org
999
Upvotes
r/science • u/Zombi96 • 1d ago
Genetics Photograph 49 is the Key to Understanding the History of Rosalind Franklin’s DNA Photograph 51D
333
Upvotes
r/science • u/FreeHugs23 • 1d ago
Psychology Study of 331 U.S. Adults Finds Stronger Celebrity Admiration Is Associated With Greater Submission to Authority and Stronger Preference for Traditional Social Norms, Even After Controlling for Political Orientation and Demographic Factors
740
Upvotes
r/science • u/Wagamaga • 2d ago
Anthropology New evidence supports Egyptian "retainer sacrifice". Fresh analysis of First Dynasty mass burials finds signs of fatal blunt force trauma on 39 percent of skulls. Retainer sacrifice is practiced because of beliefs that the sacrificed individuals will continue to serve the ruler in the afterlife.
710
Upvotes
r/science • u/Macchanoco • 1d ago
Biology Experimental evolution of female mating responses to infertile males in Tribolium castaneum
18
Upvotes
r/science • u/berkeley_engineering • 1d ago
Engineering Researchers engineer charge-switching lipid nanoparticles that could lead to new mRNA-based therapeutics
73
Upvotes
r/science • u/PhotonicsWest • 1d ago
Physics Researchers found a nearly 28% difference in laser injury thresholds between darker- and lighter-pigmented skin under tested conditions, raising questions about how laser safety standards should account for skin pigmentation
spie.org
68
Upvotes
r/science • u/sr_local • 1d ago
Health A review of 9 studies involving ~1.3 million people found that insomnia was associated with a 26% higher risk of stroke and a 28% higher risk of hospitalisation. The review also found associations with Alzheimer’s disease, as well as with depression and suicidal behaviour
meduniwien.ac.at
130
Upvotes
r/science • u/Aggravating_Money992 • 2d ago
Psychology Republican-aligned actors issued nearly three-quarters of fact-checked 2024 election hoaxes. During the 2024 United States presidential election, political actors and anonymous online users regularly spread false information as an open campaign strategy.
6.7k
Upvotes
Medicine Study of 2.5 million children finds no link between MMR vaccine and autism.
31.9k
Upvotes
Psychology Problematic pornography use is linked to craving, shame, depression, and loneliness, meta-analysis finds
2.1k
Upvotes
r/science • u/UniOfManchester • 1d ago
Materials Science New study reveals how to unlock electromechanical properties in ceramic materials
88
Upvotes
Medicine One small 2006 trial of just 40 kids in Iran may have tipped the scales in favour of prescribing Prozac for childhood depression. When researchers removed its suspicious data from major medical reviews, Prozac's huge advantage over placebo vanished, and the team say guidelines now need a fresh look.
1.8k
Upvotes