This Organism Hasn't Evolved In More Than Two Billion Years

February 4, 2015 4:34 PM

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This Organism Hasn't Evolved In More Than Two Billion Years

It's being called the greatest absence of evolution ever reported: sulfur-eating bacteria that live deep in the sea haven't changed at all in 2.3 billion years, according to a new study.

“It seems astounding that life has not evolved for more than 2 billion years — nearly half the history of the Earth,” Dr. J. William Schopf, a professor of earth, planetary and space sciences at UCLA and the leader of the international team of scientists who conducted the study, said in a written st...

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