How did life on Earth arise? Three of the biggest inflection points were ~4 billion years ago when life first emerged, ~2 billion years ago when eukaryotic cells appeared, and ~580 million years ago when life got big. [nytimes.com]
nytimes.comHow Did Life Arise?Where did it start? How did it grow complex? Why did it get big? Three moments in Earth’s early history when evolution suddenly, inexplicably turned up the dial.
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