Scientists just proved an Earth vegetable can grow on Mars

NASA scientists researching Mars with their fancy robots always snag the sexy headlines, but here on Earth some diligent researchers have been conducting experiments that are just as important (if not more so) to humanity's eventual visit to the red planet. It's not about ancient rocks, new robotic explorers or Martian lakebeds. It's about potatoes.The International Potato Center in Lima, Peru, has been conducting an ongoing experiment for over a year in the quest to determine whether or no