Inside the ISS (International Space Station) chronicles the lives of the men and women living aboard the $100 billion dollar complex.
Expedition 36 astronaut Karen Nyberg gives us a lesson in washing your hair in zero gravity. Basically, you squirt some water and no-rinse shampoo into your hair and brush it out - no need to get naked. Once the water is out, it works it's way through the air conditioning system and eventually becomes drinking water.
The video has gotten over a million views in the last week, but isn't the first non-Earthly video to go viral. Back in May, Canadian astronaut Chris Hadfield performed David Bowie's "Space Oddity" aboard the station.