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

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