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9m 47s

How To Recognize Alien Life | Peter Girg...

Devin Maverick Robins
About this episode
There’s no single ‘smoking gun’ for life beyond Earth. Microbiologist Peter Girguis explains the subtle fingerprints scientists hunt for—and why finding them on Mars could change everything. For more, check out the extended interview with Peter Girguis. Learn more about NOVA and subscribe to our YouTube channel.
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