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Carl Sagan and Bill Nye debunk flat Earth theory

Flat Earth theory has enjoyed staying power since at least the 19th century despite being patently untrue. Neil deGrasse Tyson, the late Carl Sagan, Bill Nye the Science Guy, and other big thinkers will show you how to disprove this bad idea, all without having to take a journey into space.

A Recap of Our New Content from June 2018

The Big Think+ team is thrilled to present 20 brand new videos! How does an astronaut bridge cultural divide? This month, take new perspectives on the interesting world we work […]

What We Can Learn From Mass Extinctions

Maybe it’s truer and more useful to marvel at how we very nearly destroyed ourselves after discovering an unstable new energy source, then figured our way out of it.