How do you wash your hair in space?

Astronaut, Karen Nyberg, washes her hair on board the International Space Station. It looks kind of odd because there's no up or down. Water stays where it's put or floats away, and hair totally does its own thing. 

How to clean your teeth in space

Have you ever wondered how to do everyday things in zero gravity - like cleaning your teeth, using the toilet or sleeping without floating away? Megan and Amy sometimes discuss these things.

Here's astronaut, Sunita Williams, giving us a tour of the International Space Station and showing us how they manage the everyday things in life.