Science News

A young man from Tennessee is living with haemolacria, an alarming medical condition -- without warning, he begins to bleed from his eyes. And some of the best doctors in the country are completely stumped by his ailment...

Scientists have shown that both exposure to cold and the ingestion of chemicals in chili peppers increase the amount of energy the fat cells burn, and can help lead to weight loss.

Sexually active teens today may be more susceptible to a type of genital herpes infection than teens in years past, a new study suggests. Researchers looked for the presence of antibodies against herpes simplex virus typ...

Engage with Simran Sethi and QUEST on social media in this conversation about water. #QUESTwater

The body mass index, or BMI, is a metric used to estimate the amount of body fat a person has. Though BMI doesn't measure body fat directly, it correlates with other direct measures of body fat.

Knots can help unravel some knotty (sorry!) situations. The mathematical study of knotted shapes has proved constructive for many branches of physics, from understanding how fluids flow to ... --

Christopher from Salem, OR, USA via Wikimedia Commons With Halloween around the corner haunted forests, hayrides, houses and more are setting up shop using new and old ways to frighten you. One ever-popular spooky effect...

The Tower of David was supposed to be a 45-story skyscraper in Caracas, Venezuela. But after an economic collapse and the death of the man who commissioned it in the 1990s, the tower went unfinished and uninhabited, just...

The history of biology is peppered with invaluable contributions by physics and physicists. Even if we leave aside the argument that it's all just physics anyway, theoretical and practical biology leans heavily on our ph...

Finally, panda fans can get their dose of cute, right? Not so fast, with so many visitors, the cam has reached its limit, meaning some will see a black screen rather than 8-week-old cub.

The "glymphatic system", a network of pipes that removes pathogens and harmful molecules from the brain, is most active during sleep     

The largest and most diverse rain forest in the world, the Amazon, is dominated by just a few dozen species of trees, with the majority of the other species being relatively rare.

With government cash flowing again, the U.S. Antarctic research program is scrambling to reverse the science shutdown forced into place last week.

SA Forum is an invited essay from experts on topical issues in science and technology. [More] --

Explore efforts to rebuild oyster reefs, battle algae blooms, and restore salmon to a dammed river in this television episode.

A new analysis of Americans' personalities reveals three psychological regions in the country: the friendly and conventional South and Midwest, the creative and relaxed East and West coasts and the temperamental and unin...

Here's a list of U.S. states and their rankings on the Big Five personality traits, revealing the friendly and conventional South and Midwest, the creative and relaxed East and West Coasts, and the temperamental, uninhib...

While the reasons why we need sleep remain mysterious, a new study shows that one activity in the brain cranks up during sleep: the disposal of waste.

While the Amazon may be the most famous rain forest in the world, it still holds many mysteries, including which tree species are the most common, which a new study has now identified.

The chytrid fungus Batrachochytrium dendrobatidis causes immune cells to commit suicide, preventing frogs and other amphibians from fighting infection. The fungus is partially responsible for amphibian declines worldwide...

The massively built skull is the best-preserved fossil of an early human species discovered yet. It probably belonged to a male, and its right cheekbone has signs that it healed from a fracture, possibly incurred during ...

A nearly complete skull found in Dmanisi, in the Republic of Georgia, has scientists suggesting the earliest, now-extinct human lineages may be one species, not several.