Lettuce from space.

• Position: SCIENCE - Brief article

Astronauts on the International Space Station recently got a special treat. Not chocolate or pizza, but red romaine lettuce they had grown--in space. The snack marked the first time fresh produce grown in zero gravity has been eaten. The seeds were planted and then watered for 33 days under red, blue, and green LED lights instead of sunlight. After harvesting the leaves, astronauts sprinkled them with oil and vinegar and chowed down. Some of the lettuce was frozen for analysis back on Earth. NASA's program to...