Biology

Obesity linked to lower dementia risk in older adults, but weight loss raises concerns.

Obesity in late life linked to lower dementia risk, but weight loss from midlife to late life increases risk.

Brain protein may reverse age-related memory loss

Reducing FTL1 protein reversed memory loss in older mice, study finds.

New Dinosaur Species Discovered in China

Paleontologists have unveiled Huashanosaurus qini, a 12-meter-long dinosaur from the Jurassic period in China.

Y. pestis confirmed as cause of Justinianic Plague

Researchers uncover Y. pestis as the cause of the Justinianic Plague.

High fiber diet reduces Alzheimer’s symptoms in mice

High fiber diet reduces Alzheimer’s-related frailty in mice by affecting gut-brain immune cell travel.

Mysterious Greek Cave Skull Dated to 300,000 Years Ago

Mysterious 300,000-year-old skull from Greek cave was neither human nor Neanderthal.

Alcohol's toll on liver linked to gut immune shutdown

Study in mice reveals how alcohol disrupts gut bacteria, triggering liver inflammation and damage.

Massive hydrothermal field discovered in Pacific

Kunlun hydrothermal field in Pacific, 100x larger than Lost City, gushes hydrogen-rich fluids, hosts diverse life.

Beaver dams create green firebreaks in wildfire-prone areas.

Beaver dams slow floods, store water, and create firebreaks in wildfire-prone areas.

High-fat meal impairs brain blood flow

A single high-fat meal may impair brain blood flow, increasing stroke and dementia risk, especially in older adults.