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Since everyone is talking about Pluto right now, here's a cool fact.

Since everyone is talking about Pluto right now, here's a cool fact.

The earliest definition of the word "planet" considered the moon and the sun planets, and not Earth. But the definition evolved over time, eventually including Earth and cutting Pluto out of the Solar System's planet lineup.

Q: Why did the dinosaur cross the road? A: The chicken hadn't evolved yet!

Truth or theory?

Relatively Interesting 4 Myths About the Human Brain - Relatively Interesting

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