Food Reward Circuit
A molecule in the gut controls the brain's response to food, and its absence could lead to overeating and obesity.
A molecule in the gut controls the brain's response to food, and its absence could lead to overeating and obesity.
New research shows that marijuana may be harmful to adolescent brain development.
Some people argue that food dyes are harmful to human health, but do decades of safety research back up these allegations?
NATURE & HEALTH - Scientists look to the oceans for new antibiotics. The full moon affects sleep patterns. And, how paleo is the so-called "Paleo" diet? Also: How apes remember events.
Low birth weight, unhealthy aging, and chemical signatures in the blood may all be intertwined.
Researchers have discovered a compound in the Pacific Ocean that fights both staph infections and anthrax.
ANCIENT ANATOMY - What dental records from the Mesozoic era can tell us about the lives of dinosaurs. How humans are uniquely adapted to throw baseballs. Also: an automated nature recording system that's monitoring environmental change. And, could vaccinating children protect the elderly as well?
Replenishing stored blood's nitric oxide may make transfusions more effective and less risky.
AUSTRALIAN ANIMALS - Male lyrebirds groove to their own music. Young fairywrens learn who their enemies are by watching their parents. Robotic seals help improve the quality of life of dementia patients. Also, could rats could help people keep their voices strong in old age?
BRAINS & BEHAVIOR - When apes take a gamble. The value of precision in negotiations. And a new approach to targeting drug addiction in the brain. Also: what above-ground nuclear tests in the mid-20th century can tell scientists about the brain.
Microscopic organisms represent a vast, unexplored territory for biologists trying to understand the earth’s ecology—including the ecology inside our homes and even our bodies.
WHEN SCIENCE MEETS HISTORY - Ocean temperature records from a 19th century research ship confirm global warming. Reviving plants hidden under glaciers for centuries. Tracing the genetic origins of the blight that started the Irish Potato Famine. And uncovering evidence of lead pollution in Spain from 4,000 years ago.
Researchers discover why chemotherapy makes women infertile – and hopefully, how to stop it.