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A comment on Tardigrades turn into glass when they dry out. Parent comment

Re:Tardigrades turn into glass when they dry out by lifeisstillgood on Saturday December 26, 2015 @04:16AM (#10793725)
Don't get too excited - the Wikipedia article (very good) explores their genome and taxonomy. Fossilised records hard to come by but cambrian and Cretaceous records have been found. So probably boringly terrestrial
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Re:Tardigrades turn into glass when they dry out by babuskov on Saturday December 26, 2015 @04:24AM (#10793737)
Or it could simply mean that they came to Earth a long time ago.
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Re:Tardigrades turn into glass when they dry out by iSnow on Saturday December 26, 2015 @05:37AM (#10793833)
Sure, but as of now, there is no positive indication they are extraterrestrial. They fit into the species cladogram, they don't seem to suddenly appear as a time anomaly, they just seem like extremely tough little guys.
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