Life on Earth is a lot like that song by Chumbawamba. It gets knocked down, but it gets up again, often in a very different way. Through time, species have figured out how to get on land from the water, how to fly, how to give birth to live young, and, most importantly, how to persevere through millennia. But some epochs of Earth were simply more awesome than others, and we’ve ranked our top seven here. All of them nicely encapsulate what can happen in just a few million years.
Science
7 Epic Epochs of Earth, Ranked
The 4.6 billion years of our planet's history contain a lot of ups and downs.
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