Nova: Season 0, Episode 14

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Can humans survive a trip to Mars and back that could take two to three years? This episode of NOVA scienceNOW examines all of the perils of this journey, including deadly meteoroids, bone and muscle deterioration, and cosmic radiation. Host Neil deGrasse Tyson checks in with scientists who are developing new ways to keep astronauts alive. See new space suits, foods, and rockets that may support future Mars-bound astronauts, and meet a Mars rover driver.