09: Natural selection ( A bold prediction by Charles Darwin): The first flower… The power of smell.

It's hard to imagine, but plants covered the surface of the earth for hundreds of millions of years before they put forth their first flower. That was about a hundred million years ago, shortly before the dinosaurs were wiped out. Our world must've been a lustreless place back then, dominated by shades of green and brown. Yeah, there were giant trees, ferns, and other plant life, but the palette of nature didn't... Continue Reading →

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