Feeling grumpy and antisocial because you've got a cold? That's not just a random side effect. It's your body saying, "Hey, slow down and rest so you can get better."
Given a choice, bonobos tend to prefer people who act like jerks and dominate. That's very different than humans, who even as infants consistently prefer people who are cooperative and not mean.
Tiny filler words in human rapid-fire conversation hold the key to understanding how language is unique, according to a new book. But anthropologist Barbara J. King raises some questions.
Bears do it, bats do it. So do dogs and humans. They all yawn. It's a common behavior, but why is a bit of a mystery. Researchers think yawning may perk up the brain and help with social bonding.
Speeding cars have become the biggest threat for bears in Yosemite. But rangers hope tracking tools, like the website where the public can track bears, will help keep both humans and bears safe.
Eels sometimes swim thousands of miles from their birthplace in the Atlantic to rivers and lakes where they live. Researchers say the creatures might use the Earth's magnetic field to find their way.
Don't call it empathy, scientists say. These termite-eating ants only retrieve injured comrades on the way home from a hunt, not before. But the hurt ants do recover better at home — to fight again.
OK, so they're not using Fitbits. But zoos across America are using software to minutely track the activity, behavior and physiology of captive elephants, and using that data to improve zoo life.
Cancer cells, it turns out, reflect light in a particular, polarized way that mantis shrimp can see. A tiny camera based on the shrimp's eye might help doctors better visualize tumors during surgery.