Life at the extremes
If the organisms that scientists have found at Earth's extremes are any indication, life on other worlds could be pretty weird.
Published:
March 29, 2010
 Flat pinkish “ice worms” colonize mounds of yellow-orange methane ice on the floor of the Gulf of Mexico. Methane seeping from deep sources forms ice-like “hydrate” deposits under high pressure. Ice worms do not consume the hydrate themselves. Instead, they appear to graze on bacteria living off the methane.
Photo by Pennsylvania State University |
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