79 Neil deGrasse Tyson takes pride in “communicating science”. Here he explains that XX/XY chromosomes don't determine if you are male or female (twitter.com) posted 81 days ago by brain_dead 81 days ago by brain_dead +79 / -0 47 comments share 47 comments share save hide report block hide replies
I listened to him and wondered before. I didn't know he was a DS clown.