Astronauts who return to Earth after long-duration space missions suffer from untreatable nearsightedness. Scientists have now isolated the cause, but finding a solution to the problem will prove easier said than done.
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Tuesday, January 24, 2017
Why Spaceflight Ruins Your Eyesight [cheapestps3controller269.blogspot.com]
Why Spaceflight Ruins Your Eyesight [cheapestps3controller269.blogspot.com]
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