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All Life On Earth Has One Single Ancestor. It Vanished Without a Trace.
(www.popularmechanics.com)
General discussions about "science" itself
Be sure to also check out these other Fediverse science communities:
But also, why would we assume it wouldn't be outcompeted? Most common ancestors are dead / changed somewhat aren't they?
Yes. 99.9% of the species to ever live, are gone