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Helping care for grandchildren may offer an unexpected boost to brain health later in life. Researchers found that grandparents who provided childcare scored higher on memory and verbal skills than those who did not. The effect did not depend on how ...

Drinking heavily over many years is linked to a higher risk of colorectal cancer, especially rectal cancer, according to new research tracking U.S. adults for two decades. People who drank heavily throughout adulthood faced sharply higher risks than ...

Scientists have created a device that captures carbon dioxide and transforms it into a useful chemical in a single step. The new electrode works with realistic exhaust gases rather than requiring purified CO2. It converts the captured gas into formic ...

Low-Earth orbit is more crowded--and fragile--than it looks. Satellites constantly weave past each other, burning fuel and making dozens of evasive maneuvers every year just to stay safe. A major solar storm could disable navigation and ...

JWST has revealed a strange early universe filled with ultra-bright "blue monster" galaxies, mysterious "little red dots," and black holes that seem far too massive for their age. A new study proposes that dark stars--hypothetical stars powered by .. ...

Scientists at KAIST have found a way to turn a tumor's own immune cells into powerful cancer fighters--right inside the body. Tumors are packed with macrophages, immune cells that should attack cancer but are usually silenced by the tumor environment ...

Researchers have developed smart nanoparticles that can seek out and destroy disease-causing proteins the body can't normally eliminate. Unlike traditional drugs, these particles can reach hard-to-access tissues, including the brain, and precisely .. ...

Cancer immunotherapy has been a game-changer, but many tumors still find ways to slip past the immune system. New research reveals a hidden trick: cancer cells can package the immune-blocking protein PD-L1 into tiny particles that circulate through . ...

A massive international study of more than 3,100 long COVID patients uncovered a striking divide in how brain-related symptoms are reported around the world. In the U.S., the vast majority of non-hospitalized patients described brain fog, depression, ...

Ozempic, Mounjaro, and Zepbound can drive impressive weight loss, but stopping them is often followed by rapid weight regain. Researchers found that people regain weight faster after quitting these drugs than after diet and exercise alone. ...