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What are we promoting in society? Well-behaved automatons that spew back what they learned in a book. That's not science. You can get a parrot to do t...more

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Carl Sagan spoke fluently between biology and geology and astrophysics and physics. If you move fluently across those boundaries, you realize that sci...more

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One of my great laments is that education today seems to have... be less about passion and more about process, more about tactic or technique.

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If you're going to lead a space frontier, it has to be government; it'll never be private enterprise. Because the space frontier is dangerous, and it'...more

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I can't tell you how many people say they were turned off from science because of a science teacher that completely sucked out all the inspiration and...more

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If you want a nation to have space exploration ambitions, you've got to send humans.

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In the animal kingdom, one of the keys to survival is to outwit your enemies. And when you're surrounded by carnivores, one of the best strategies is ...more

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The very nature of science is discoveries, and the best of those discoveries are the ones you don't expect.

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In science, if you don't do it, somebody else will. Whereas in art, if Beethoven didn't compose the 'Ninth Symphony,' no one else before or after is g...more