Testosterone & Fatherhood
Men's testosterone levels drop significantly when they become fathers.
Gender differences in spatial reasoning abilities may be strongly influenced by culture.
Lager beers have been around for about 500 years, thanks to the meeting of yeasts from the Old and New World.
Our brains shrink by up to 15% over our lifetimes, but those of chimpanzees do not.
THE BRAIN & SOCIETY: How the brain experiences beauty, what soccer reveals about the mind, and why lazing around in a hammock could benefit your memory. Also, how your cell phone could help you kick the habit.
Evidence from ancient teeth suggests that most Neanderthals were right-handed, like us.
Cultural revolutions in humpback whale songs, a barcode scanner for zebra stripes, a prehistoric toothache, and changing skull sizes in the Iberian Peninsula.
Over the past few centuries, women's skulls have grown closer to the size of men's, at least in one part of the world.
Artificial toes from ancient Egypt may have been functional prosthetics.
The immune systems of chronically lonely people switch from fighting viruses to fighting bacterial infections.
The surprising way the brain processes Braille, bilingualism staves off dementia, and new research on stuttering. Also: why being lonely could change how your immune system works, and the relationship between popularity and bullying.
New discoveries in the Middle East suggest humans left Africa much earlier than previously thought.
Eating insects might sound yucky, but doing so could cut down on greenhouse gas emissions.
Today's Persian Gulf may cover the site of advanced Stone Age civilizations.
Brain development in the first year of a baby's life set us apart from our extinct Neanderthal relatives.
Playing ancient Peruvian instruments inside the ruins of a temple gives researchers clues to the music's cultural significance.
A toxic plant used in a traditional religious ritual is shaping the evolution of a Mexican cavefish.
Bacterial poison darts, a new approach to cancer research, turning skin into blood, depressing night-lights and the differences between human and Neanderthal brains.
Tibetans have a unique genetic adaptation that allows them to survive high altitude, low oxygen conditions.