In lab tests, salmonella, E. coli and staph survived 14+ days in kitchen sponges — 3 days after drying out — and one wipe moved up to 100,000 bacteria to a clean surface; smell and color gave no indication of contamination. Brushes dry faster and carry far fewer bacteria, researchers say.img | 30.07 20:38 | u/andmario_comIn 2025, the US surpassed its highest annual case count of measles in more than 30 years, mostly in unvaccinated children. An immunization rate of at least 95% is necessary for herd immunity to measles. Study identified 8 counties in California with census tracts with less than 95% coverage.link | 31.07 12:20 | u/mvea
Genetic analysis suggests prehistoric people selectively hunted female woolly mammothsimg | 31.07 09:55 | u/yahoonews
Everyone alive may carry DNA from a ‘ghost lineage’ of human ancestors. In a new study, scientists read the family tree buried inside modern genomes and turned up “ghost ancestors” in every population on Earth that no fossil records can account forimg | 30.07 20:31 | u/scientificamerican
Rapid-acting antidepressants such as ketamine and psilocybin appear to reduce treatment-resistant depression by altering immune-brain signaling, with shared immune biomarkers that may help predict which patients are most likely to benefit from these treatmentsimg | 31.07 11:15 | u/sr_local
People suffering from long COVID show a measurable reduction in the brain’s dopamine-releasing neurons. These physical brain changes tend to be associated with common persistent symptoms such as apathy, memory problems, and a slowing of physical movements.img | 30.07 21:26 | u/mveaA study of more than 128,000 U.S. adults found that those who experienced parental divorce during childhood had 41% higher odds of depression in adulthood than those whose parents remained married. Yet the findings suggest that parental divorce itself may not be the main driver of later depressionlink | 31.07 10:56 | u/Wagamaga
A political science paper has emerged comparing the political career of U.S. President Donald Trump to the narrative of Japan’s iconic monster, Godzilla. The study highlights parallels: both were summoned by human errors, wreak havoc indiscriminately, and return even after being seemingly defeated.img | 30.07 11:03 | u/mveaCollective bargaining rights for police significantly increase police killings of civilians without having any impact on officer safety. This is consistent with the theory that unions provide cover for police and reduce their likelihood of incurring costs for unjustified killings.link | 30.07 15:10 | u/smurfyjenkins
Constant search for meaning is associated with higher workplace burnout, study suggestsimg | 30.07 13:45 | u/No-Aardvark-7316Wernicke's Encephalopathy Following Semaglutide Treatment for Obesity: A Systematic PRISMA Review of Case‐Based Evidence - Bidesie - Obesity - Wiley Online Librarylink | 31.07 06:29 | u/Scbadiver
The health cost of a hostile divorce. Severe disputes often exacerbate psychological distress and manifest in measurable physical symptoms. An increase in medication use was largely driven by a category of drugs known as psycholeptics, which includes sedatives, and anti-anxiety medicationsimg | 31.07 10:47 | u/WagamagaSaber-toothed cats became inbred—and struggled to move—before they went extinctlink | 31.07 09:35 | u/tw1st3d_m3nt4tConsuming less sugar in utero and during the first one to two years of life was associated with up to a 23% lower risk of developing dementia later in life. Lower sugar consumption early in life was associated with an average delay of 2.6 years in the onset of dementialink | 30.07 11:01 | u/sr_local
The World War II Atomic Blast Over Hiroshima Created a Previously Unidentified Multicomponent Metallic Alloy. The detonation produced a fireball reaching temperatures exceeding 7000°C within seconds, entraining and vaporizing building materials, soils, metals, and water into a turbulent plasma cloudimg | 30.07 15:35 | u/WagamagaA study shows fewer people sincerely believe wild conspiracy theories than surveys suggest, as many who endorse bizarre or contradictory claims answer insincerelylink | 30.07 13:17 | u/HeinieKabooblerA 59-year-old man developed severe hypotension and bradycardia 60–80 minutes after consuming 3 - 4 teaspoons of mad honey. Intravenous fluids and atropine rapidly stabilized him, according to a case report from Nepallink | 30.07 06:50 | u/SprinklesImaginaryA new clinical trial reports that taking the diabetes drug metformin may halve the risk of long COVID; another trial finds 40% risk reduction with Paxlovidlink | 31.07 01:56 | u/SciQuel
A major international study led by The University of Queensland and University of Michigan has uncovered a surprising mechanism that increases the risk of certain genetic diseases, offering new insights into how some mutations ariseimg | 31.07 00:49 | u/QldBrainInstReducing exposure to untrustworthy sources on Facebook by 70% had no effects on attitude or beliefslink | 30.07 18:30 | u/quiplaam