'The Martian' becomes real life: Meet 'Spudnik,' the space potato

NASA astronaut Don Pettit is showing off his pride and joy: a potato named "Spudnik." In their very minimal "free time," astronauts aboard the International Space Station generally play instruments, make art, take photos, and more. But Pettit spent his time making like Mark Watney in "The Martian," and growing potatoes in microgravity. "Recognized by Andy Weir in his book/movie 'The Martian,' potatoes will have a place in future exploration of space. …