Scott Kelly's Historic "Year in Space" Mission Brings Us One Step(02)

Scott Kelly's Historic "Year in Space" Mission Brings Us One Step(02)


Image gallery: Astronaut Scott Kelly Dna Different Year In Space

Astronaut Scott Kelly Now Has Different DNA Than His Identical Twin NASA A Year In Space Changed Scott Kelly’s DNA YouTube Scott Kelly's Historic "Year in Space" Mission Brings Us One Step Scott Kelly Twin Study Reveals Astronauts DNA Changed After ONE YEAR IN Scott Kelly spent a year in space, and now he has different DNA than