Sunday 17 February 2019

Year in space put US astronaut's disease defenses on alert

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Year in space put US astronaut's disease defenses on alert
Year in space put US astronaut's disease defenses on alert
Fri, 15 Feb 2019 12:20:01 EST
Nearly a year in space put astronaut Scott Kelly's immune system on high alert and changed the activity of some of his genes compared to his Earth-bound identical twin, researchers said Friday.