In "The Martian", Matt Damon plays astronaut and botanist Mark Watney, who is abandoned on Mars and has to figure scientific ways to survive the harsh Martian climate until he can be rescued.

SCIENCE FICTION: With only limited food, Mark Watney in "The Martian" grows potatoes to save himself from starving. The first plants to ever grow on Mars! SCIENCE FACT: While they're a long way ...