Space-grown lettuce is safe to eat, says study. Delicious, say astronauts

(CNN)The astronauts floated around, expressing delight as they tasted something entirely unexpected in space. In the August 2015 video NASA shared of the experience, US astronauts Scott Kelly, Kjell Lindgren and Japanese astronaut Kimiya Yuiappear surprised as they munch on the leaves. Research about the lettuce experiment, which began in...
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