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Before the scientific method came along, science dabbled in some pretty far-out ideas in its youth. Remember miasmas? And spontaneous generation? And the four elements?
A friend may joke that he remembers going through a long, dark tunnel into a blinding white light – and being hit on the bottom by a doctor. But in general, most people don't remember being born or learning to walk. Why is that?
He is famous for a phrase he never said, for wearing turtlenecks and for hosting the original 'Cosmos' TV series. As enthusiastic about the stars as he was about marijuana, Carl Sagan led a very surprising life. Here are 10 cool facts.
10 Things We Thought Were True
Why can't we remember being babies?
10 Cool Things About Carl Sagan
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