A Science Icon Died 17 Years Ago. In His Last Interview, He Made A Warning That Gives Me Goosebumps.

Carl Sagan inspired a generation of scientists with his work in and out of the classroom. But he didn’t always present science with cheer. In this clip, he passionately defends science with a grave warning. It’s something we all need to hear.

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Dec 13, 2013

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