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What Is Life? #2: If We Find Alien Life, Will We Even Know It?

“What Is Life?” is an eight-episode podcast series recorded in front of a live audience. (Subscribe to the podcast at iTunes, via RSS, etc.) In this episode, I spoke to astrobiologist Sara Imari Walker.

Sara Imari Walker is a physicist and astrobiologist at Arizona State University. She studies life as a physical phenomenon, in order to develop new ways to search for it elsewhere in the universe. We shouldn’t assume that aliens will introduce themselves to us, so we need a way to recognize life no matter what form it takes.

Links:
Walker at ASU
Walker’s TEDx talk about a “universal theory of life.”

If you enjoyed this episode, listen to Episode 3 or check out all eight episodes on the main podcast page. And please spread the word however you can, such as reviewing it on Apple and elsewhere!

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What Is Life? was recorded in front of a live audience at Caveat in New York and is supported by a grant from Science Sandbox, a Simons Foundation initiative. Artwork by Caryn Audenried.

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New York Times columnist. New book: She Has Her Mother's Laugh: The Powers, Perversions, and Potential of Heredity http://bit.ly/SheHasHerMothersLaugh

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