Dr. Karen Nyberg is a flight engineer who spent some time on the International Space Station—and she happens to have long hair. So how did she wash her hair in space? It turns out to be an easy process, though a visually striking one. Due to the lack of gravity, her hair sticks straight up, so she ends up washing up rather than our Earthbound, gravity-centric "water flows down" thinking. Anyway, watch this three-minute video—and be glad you have unlimited towels:
If I were in space, I would be trying to set a record for Most Fantastic Shampoo Horn. But I think I'd lose.
(Via Laughing Squid.)