5 Signs of Life On Mars - The Countdown #37

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Could Mars support life? In this episode of The Countdown, we run through five intriguing lines of evidence that the Red Planet was not always as desolate as it appears, and may even be habitable today.

More to explore:

New Signs of Water on Mars Ramp Up Search for Life (Scientific American)

A River Runs Through...Gale Crater (Scientific American Blog Network)

Mars Rover Finds Evidence of Ancient Habitability (Scientific American)

Maybe Mars Seeded Earth's Life, Maybe It Didn't (Scientific American Blog Network)

Case Study: Fossil Microbes on Mars? (American Museum of Natural History)

The New Way to Look for Mars Life: Follow the Salt (Scientific American Blogs)

Analysis of Surface Materials by the Curiosity Mars Rover (Science)

Can Hitchhiking Earth Microbes Thrive on Mars? (Scientific American Blogs)

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Host/writer: Sophie Bushwick
Story Advisors: Clara Moskowitz & Michael Moyer
Production Assistant: Josh Krisch
Editor: Joss Fong
Producer: Eric R. Olson