Scott Kelly No Longer Has Same DNA as Twin After Space Stint

After a yearlong mission in outer space, Scott Kelly came back a changed man — genetically, “Today” reported.A NASA study found that the 54-year-old no longer shares the exact same DNA as his identical twin, fellow astronaut Mark Kelly. Toys R Us’ Likely Liquidation Will Have a Ripple Effect According to NASA, 93 percent of Scott’s DNA returned to normal after landing, but seven percent did not. This can point to possible longer-term changes in genes related to his immune system, DNA repair, bone formation networks and more.“I no longer have to call @ShuttleCDRKelly my identical twin brother anymore,” Scott joked on Twitter.  Couple Who Housed Children in Desert Shack Get New Home Photo Credit: AP Photo/Pat Sullivan, File
Source: NBC San Diego