Broccoli in space--how probiotics could help grow veggies in microgravity

Astronauts at the International Space Station are spending more time away from Earth, but they still need their daily serving of vegetables. In the quest to find a viable way for crew to grow their own veggies while orbiting--and possibly one day on the moon or Mars--student researchers are sending broccoli seeds coated with a healthy dose of probiotics to space.