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History - Big History

The emergence of life on Earth

Earth from space image from Wikimedia Commons
"The Blue Marble". Licensed under Public domain via Wikimedia Commons.

Threshold 5 looks at the beginnings of life on Earth.


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Charles Darwin?

There's a lot of free material relating to Charles Darwin online- you can read On the Origin of Species for free at Project Gutenberg, and Darwin Online is a free Darwin archive. You can find more in the library by searching for Charles Darwin.