NASA astronauts are proud bedwetters. They even practice.

Before NASA shot astronaut Scott Kelly into orbit for the first time in 1999, he had an important order from his commander: Take one of these diapers, and go practice at home. So there he was, wearing a government-issued space diaper, lying down in his bathtub with his legs propped up. He was trying to simulate the way he'd be sitting in the Space Shuttle. After living his whole life trying to avoid peeing his pants, Kelly found it took some unlearning to be able to relax and let the g