#sapolski

·Oct 11, 2017

Within us, there's a little Universe - Carl Sagan

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Within us, there's a little Universe - Carl Sagan

·Oct 11, 2017

The Secrets of Evolution are Time and Death. There's an Unbroken Thread that stretches from those first Cells to us - Carl Sagan

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The Secrets of Evolution are Time and Death. There's an Unbroken Thread that stretches from those first Cells to us - Carl Sagan

·Oct 11, 2017

We are, each of us, a multitude - Carl Sagan

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We are, each of us, a multitude - Carl Sagan