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) River Runs Crater (Scientific American Blog Network) Rover Finds Evidence of Ancient Habitability (Scientific American) Mars Seeded Earth's Life, Maybe It Didn't (Scientific American Blog Network) Study: Fossil Microbes on Mars? (American Museum of Natural History) New Way to Look for Mars Life: Follow the Salt (Scientific American Blogs) of Surface Materials by the Curiosity Mars Rover (Science) Hitchhiking Earth Microbes Thrive on Mars? (Scientific American Blogs), future astronauts: more of The Countdown: Scientific American's website for more space news and information: Credits:Host/writer: Sophie BushwickStory Advisors: Clara Moskowitz & Michael MoyerProduction Assistant: Josh KrischEditor: Joss Fong Producer: Eric R. Olson

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