Why Conspiracy Theorists Are So Obsessed With JFK's "Umbrella Man"

At the moment when bullets were being fired into JFK's motorcade, a man can be seen standing on the side of the road near the car holding an open black umbrella. But it wasn't raining. This is exactly the kind of detail that sets a fire under conspiracy theorists — and here's why. » 10/14/14 9:30am 10/14/14 9:30am

Awareness Can Continue For Several Minutes After Clinical Death

The biggest ever scientific study of near-death experiences shows that awareness can continue for a surprisingly long duration after the brain has shut down completely. The finding suggests that these experiences are more than just hallucinations — and that our definition of clinical death should probably be revised. » 10/08/14 12:40pm 10/08/14 12:40pm

Man's Parkinson's Tremors Vanish With The Touch Of A Button – But How?

The short answer is deep brain stimulation (DBS), a targeted form of electrotherapy used to treat brain disorders like Parkinson's disease and OCD. The long answer, i.e. why DBS is sometimes so remarkably effective, remains poorly understood – but researchers this week took a big step on their path to understanding… » 10/02/14 10:20am 10/02/14 10:20am

Geneticists Slam Study Claiming Schizophrenia Is Eight Disorders…

Last month, a study published in the American Journal of Psychiatry made international headlines by claiming that schizophrenia is not a single disease, but rather a group of eight distinct genetic disorders. Now, ten leading geneticists say this extraordinary claim isn't justified by the data. » 10/01/14 7:00pm 10/01/14 7:00pm

Why Do Your Pupils Get Larger When You're On Drugs?

Normally, our pupils dilate in response to changing light; as it gets darker, our pupils get larger. But they expand in size for other reasons as well, including when we're sexually aroused and when we're performing complex cognitive tasks. But it's also known that certain medications — including illicit drugs — can… » 9/29/14 11:20am 9/29/14 11:20am