From Curiosity to Discovery

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TED speakers explore how curiosity leads to unexpected places. Hollywood film director James Cameron delves into why he journeyed to the bottom of the ocean.Designer Thomas Thwaites explains what compelled him to build a toaster, literally from the ground up.Geneticist Wendy Chung describes what it's like to chip away at the mysteries of autism, and the excitement of uncovering tiny but critical clues. Mythbusters co-host Adam Savage explains how simple questions lead to big discoveries. And biologist Nathan Wolfe says the un-seeable world of microbes is fertile ground for new discoveries.

Learn more or listen again to this week's episode.

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Guy Raz