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Research team finds lettuce and other plants are more susceptible to bacterial infections in space than on Earth. Lettuce and other leafy green vegetables are part of a healthy, balanced diet even for astronauts on a mission. It’s been more than three years since the National Aeronautics and
<p>University of Delaware researchers grew lettuce under conditions that imitated the weightless environment aboard the International Space Station. They found that plants grown under manufactured microgravity were more prone to infections from a human pathogen, Salmonella. </p>