Carl Sagan Made a Deadly Accurate Prediction in His Last Interview Before he Died

Image: trekmogui.deviantart.com

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.



Source: upworthy.com

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