Lizard Spit Roundup
A chemical in Gila monster venom suppresses appetite in rats.
Vesta the Protoplanet
The asteroid belt between Mars and Jupiter contains an embryonic planet in arrested development.
Biodiversity, Allergies & Asthma
People who live around fewer varieties of plants, and whose skin carries fewer kinds of bacteria, …
Food Chemistry Roundup
New studies reveal why black pepper fights fat cells, and why caffeine could help dry eye syndrome.
Social Status Genes
When a female monkey’s rank changes, thousands of her genes are affected.
Spoiled Milk
A listener asks why milk goes bad more quickly than other beverages.
Raven Relationships
Ravens remember other ravens as friendly or adversarial, even years later.
Sizing Up Weapons
People think others are larger and stronger if they’re holding a weapon in their hands.