Why do humans laugh?

Neuroscientist Sophie Scott explores the neurobiology of laughter in this wonderful short film about perception, communication and cognitive development. We rarely think about it, but laughter — whether it's a quick smile or an uncontrollable giggle-fit — is tangled up with all of these things. » 6/29/12 3:24pm 6/29/12 3:24pm

An objective way to measure pain? It's closer than you think.

Many doctors rely on patients to indicate levels of pain and discomfort, and while these self-reports are certainly subjective, they can still provide physicians with valuable clinical information. But what happens when patients are unable to talk with their doctors, like in cases of severe cognitive or communicative… » 9/13/11 3:21pm 9/13/11 3:21pm

New research shows why you do dumb things to impress your friends

Whether it was on the playground in elementary school, at a party in college, or on a whitewater rafting trip over Labor Day weekend, odds are high that at some point in your life you've gone and done something outstandingly stupid or risky in the company of friends. » 9/06/11 5:00pm 9/06/11 5:00pm

Mapping the Brains of Human Echolocators

Vision and hearing are generally regarded as two very different senses. Unless, of course, you can echolocate. Now, scientists have revealed for the first time that human echolocators — blind individuals who navigate their surroundings by producing mouth clicks and listening to the returning echoes — actually process… » 6/03/11 8:00am 6/03/11 8:00am