How to Collect Micrometeorites in Your Backyard

Meteors rain down on the earth every hour of every day. Most of these are hardly larger than a grain of rice or a pea. The majority are little more than particles of dust, 10 to 40 micrometers (0.0004-0.0016 inch) in size. The average one is scarcely a quarter of the width of a human hair. The atmosphere makes short… » 2/18/13 3:00pm 2/18/13 3:00pm

Why you're more likely to die from a meteor strike than a lightning…

It seems that the best way to predict future behavior is to look at past behavior. But if you had the chance to bet on which is more likely to kill you, lightning or a meteor — then, believe it or not, you should choose the meteor, even though no meteor has ever killed any human. Find out the strange odds, below. » 9/12/11 7:40am 9/12/11 7:40am