[Science] What happened when one twin went to space and the other stayed home? – AI

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[Science] What happened when one twin went to space and the other stayed home? – AI


Scott (L) and Mark (R) Kelly took part in a unique experimentRex/AP By Chelsea WhyteNASA astronaut Scott Kelly spent a year in and came back a slightly changed man – at least, in comparison to his twin brother Mark, who was earthbound while Scott was aboard the International Station. This experiment, conducted from March 2015 to March 2016, will help us plan for astronauts to travel for years to or beyond. Scott and Mark (himself a former astronaut) both gave scientists samples of their blood, urine and faeces before, during and after the year-long flight …