Balance and Concentration...

Watch this all the way to the end for a surprise.  Via my mom:

This is Really Hard to Imagine...

Conjoined twins whose brains are linked...

People and Probability...

Interesting piece on how people perceive and think about probability...

Flowers...

Poignant story of Olga Grushin's reactions to the news of the recent bombings in Russia.  She's living in America, but her parents live very near the site of the bombings...

The Danger of Lying in Bed...

Excellent short story about perceived risk – from 1871, by Mark Twain!  Via the always-interesting Bruce Schneier...