Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas
Ancient mummy DNA recovered in Chile has yielded the firmest evidence yet that European colonization brought smallpox to the Americas.
2 hours ago
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Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression
Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, ...
When more blood does not mean more neuronal energy during REM sleep
REM sleep is already called "paradoxical sleep." The body is largely still, yet the brain is highly active. In humans, this is also the stage most closely associated with vivid dreaming. Our study, published in Communications ...
Scientists map dormant cancer cells' hideouts, opening new targets for treatment
Researchers at the MRC Laboratory of Medical Sciences (LMS), Imperial College London and UCL Genetics Institute have created a detailed map of cells within breast tumors and identified distinct neighborhoods of proliferating ...
6 hours ago
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Somatic mutations linked to vascular damage in progeria
Hutchinson–Gilford progeria syndrome (HGPS) is a genetic disorder that causes remarkable premature aging. Most patients die during their teenage years from cardiovascular disease, but the precise mechanisms underlying vascular ...
7 hours ago
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Silencing a brain receptor curbs cancer cachexia and boosts mouse survival
A new path has opened toward stopping cancer-associated cachexia, a devastating complication that gradually wastes patients away. A KAIST research team has developed an RNA-based therapeutic strategy that blocks a brain signal ...
8 hours ago
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Deadly brain tumors show vulnerability to new sound wave approach
In a promising sign for the potential of focused sound waves to improve care for brain tumors, UVA Health researchers have determined that tumors called gliomas may be even more receptive to targeted drug delivery than normal ...
8 hours ago
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Outbreak in DR Congo 'intensifying': WHO
The Ebola outbreak in the Democratic Republic of Congo is intensifying at an "exceptional" pace, the World Health Organization warned on Saturday, calling for a significant scaling up of the health response.
13 hours ago
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Eye contact helps infants 'tune in' to speaker's brainwaves and learn language
Infants use eye contact with speakers to work out what to pay attention to and synchronize their brainwaves, helping them learn language, scientists in Cambridge and Singapore have shown.
Aug 1, 2026
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Your personality changes more across your life than you think, according to new study
Personality traits have long been seen as set in stone, with many believing they stop changing once we reach adulthood. A recent study, however, challenges this long-held belief, suggesting that personality changes far more ...
