The timeline of terrestrial evolution holds surprises. While scientists thought complex life required oxygen, a recent discovery shows it began forming in oceans deprived of this element, nearly a ...
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First Complex Life on Earth Formed 1.5 Billion Years Earlier Than Thought, Evolution Study Finds
Scientists believed that the first complex life on Earth formed 635 million years ago, but new evidence suggested otherwise. It pushed back the origins of life to 2.1 billion years ago, 1.5 billion ...
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