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Year In Space Results, Citizen Science Day, Cherry Blossoms. April 12, 2019, Part 2
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To find out what was happening to astronauts over longer periods of space flight, NASA put together a 10-team study of twin astronauts Scott and Mark Kelly. Scott spent a year on International Space Station, while his brother Mark lived a relatively normal life on Earth—though both regularly sent the researchers samples of their blood, urine, cognitive test results, and other data to assess their physiology over time. Scott Kelly returned to Earth in 2016, and researchers have been studying and comparing the twins ever since. The conclusion? A year in space caused a cascade of changes in Scott’s gene expression and physiology—some of which remained even after he returned to Earth. Dr. Susan…