Astronauts living at the International Space Station are about to take their first bites of space-grown lettuce, in what scientists describe as another step toward enabling human missions to Mars.
Ray Wheeler, NASA’s lead scientist for advanced life support activities at Kennedy Space Center in Florida says having fresh foods such as tomatoes, blueberries and red lettuce in space could have a positive impact on people’s moods and also provide some protection against radiation in space.
NASA says US astronaut Scott Kelly and other crewmen at the orbiting outpost tasted the lettuce early this morning.
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A crop of lettuce grown in space last year was not eaten by astronauts, but underwent, and passed, food safety tests back on Earth.