Microscopic Iron Men Tardigrades are microscopic invertebrates that live among mosses and lichens, and in lakes and oceans. They are sometimes known as water bears, for their roly-poly appearance and ambling gait. But the cuteness is deceiving: Tardigrades are the Iron Men of the animal kingdom. Scientists have been putting them through their paces for years, discovering that they can survive temperatures near absolute zero and above boiling, as well as high vacuum. They have even been...
URL: http://www.nytimes.com/1998/11/10/science/observatory.html?partner=rssnyt&emc=rss
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