Sweat doesn't fall off you. The water just accumulates until it gets too big and agitated and falls off like a sphere of water. It then floats around until it hits something. It takes a lot of water to fall off. Usually it just hangs on, so you get a quick build-up of sweat when working out.

Space is absolutely a 3-D world in comparison to our 2-D world on Earth.

The Space Station is primarily made of aluminum. The smell is really weird and sort of like burning metal. It is absolutely distinct and totally repeatable.

Sunita Williams Quotes