Video: Are Water Bears (Tardigrades) from Outer Space?

In 2011 possible evidence of extra terrestrial life was found on a meteorite. In 2007 it was discovered that the tardigrade ( water bear ) can survive in the vacuum of space. The hardy creatures can also survive brutal extremes of heat, cold and radiation exposure and can go extended periods without food or water. In this video (via Boing Boing) featuring "naturalist" Mike Shaw provides a more in depth introduction to the water bear. It also begins to look at the possibility that the tiny creatures, which appear to have few (if any) relatives on Earth, might be from somewhere else originally. Did they hit the hight of evolution, putting the survival skills of cockroaches to shame and stop or did they hitch a ride on a meteorite from somewhere else?

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