Scientists

Scientists tested 39 sweeteners and found unexpected gut effects

Commonly used sweeteners can directly interfere with the growth of bacteria that help support a healthy gut, according to laboratory…

3 weeks ago

Scientists finally solved how a common gut bacterium triggers colon cancer

Scientists have uncovered how a toxin produced by a common gut bacterium gains access to colon cells, solving a mystery…

3 weeks ago

Are there aliens on exoplanet K2-18b? Scientists just scanned it for signals

K2-18b has become one of the most closely watched exoplanets in recent years. The planet lies about 124 light years…

3 weeks ago

Scientists discover a hidden heart valve risk linked to gum disease

Bacteria that cause gum disease may do more than damage your teeth. New preliminary research suggests they could also contribute…

3 weeks ago

Columbia scientists discover surprising link between serotonin and heart valve disease

Serotonin is usually associated with mood, sleep, and digestion. But research published in 2023 suggests this chemical messenger may also…

3 weeks ago

Scientists want to quarantine alien life on the Moon before it reaches Earth

A new policy paper argues that a future NASA base on the moon should include a specialized biocontainment facility designed…

4 weeks ago

Scientists solve a 30-year rye pollen mystery that could transform cancer research

Nearly 30 years ago, researchers discovered two unusual molecules in rye pollen that appeared to slow tumor growth in animal…

4 weeks ago

Quantum mechanics once baffled scientists. Now it’s changing the world

For much of the early 20th century, quantum mechanics was one of the most puzzling ideas in science. The theory…

1 month ago

Scientists discover the deep sleep circuit that builds muscle, burns fat, and boosts the brain

A good night's sleep does far more than leave you feeling refreshed. It also triggers the release of growth hormone,…

1 month ago

Scientists discover a protein switch that burns fat and blocks new fat cells

Modern weight loss medications have transformed obesity treatment, helping many people lose significant amounts of weight. But these drugs often…

1 month ago