Space genes! Bloody space genes! If you’ve been keeping an eye on popular science news recently, you’ve probably come across the story of a comparative study between current astronaut Scott Kelly and his retired astronaut brother, Mark. Along with this came the breathless headlines, tweets and shares on how 7% of Scott’s DNA had changed after his time in space! They weren’t identical twins anymore! Which is insane!   NO!   Argh!!!   The media ran riot with the idea that massive changes had occurred […]