The Phytophactor

A plant pundit comments on plants, the foibles and fun of academic life, and other things of interest.

Showing posts with label life on Earth. Show all posts

Showing posts with label life on Earth. Show all posts

Evidence of early life on Earth?

How old is life on Earth? The Earth itself is 4.5 billion years old, give or take a few million. The oldest rocks on Earth are 4.28 billion ...

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