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Leopard Spots on Mars? NASA’s Big Discovery, Explained | Peter Girguis

Could a Martian rock hold the most promising sign of life beyond Earth? Microbiologist Peter Girguis unpacks NASA’s stunning discovery of ‘leopard spots’ on a rock from Mars’s Jezero Crater—and why they look eerily like the handiwork of microbes on our own planet. For more, check out the extended interview with Peter Girguis. Learn more about NOVA and subscribe to our YouTube channel. 

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  Einstein’s “Biggest Blunder” | Adam Riess

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  How Fame Affects the Brain | Heather Berlin

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  How Fossils Form and How to Find Them | Kirk Johnson

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  Why Only Some Species Can Talk—and Dance | Erich Jarvis

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  Evolution of New Species, Venom, Wings, and More | Extended Interview with…

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  How the Fruit Fly Revolutionized Biology | Sean B. Carroll

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  The Evolution of Venom & Antivenom | Sean B. Carroll

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  A Black Hole Is a Place, Not a Thing | Janna Levin

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  How To Recognize Alien Life | Peter Girguis

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  Can We Make Animals Talk? | Erich Jarvis

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  De-Extinction, Dire Wolves, and Jurassic Park | Extended Interview with Be…

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  De-Extinction: A How-To Guide | Beth Shapiro

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  How AI Deepfakes Are Really Made | Hany Farid

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  What's My Brain Doing? Goosebumps & Other Strange Phenomena | Heather Berl…

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  When Black Holes Collide | Janna Levin