String Theory explained in two minutes. I still don’t understand it. It’s a good thing there are several explanations.

The brain regions responsible for optimism have been located. I always thought it was somewhere between your smile and your heart.

15 Famous Ghost Photos. Even when I could think of a logical explanation, these gave me the willies.

Crazy Things You Can Say to Get Everyone’s Attention. The first one was posted as a headline on a popular aggregator site and got quite a few phone numbers in comments from true believers.

There are wonders underground, and caves are born in many different ways.