All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.
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Heres what youll learn when you read this story:
<ul><li>All life on Earth can be traced back to a Las… [+3526 chars]
Heres what youll learn when you read this story:
<ul><li>All life on Earth can be traced back to a Las… [+3526 chars]