Meet the Tardigrades: The Solar System's Most Extreme Survivors

There is an organism living on this planet who can travel through space without a suit. Cute, unassuming little invertebrates, these organisms are called tardigrades, or water bears, and usually spend their days crawling around on a piece of nice wet moss in a forest, or meandering through our vast oceans. They only… » 7/10/08 9:41am 7/10/08 9:41am