The best thing about being in zero gravity (aside from being in zero gravity, of course) has to be how liquids become amorphous blobs that can just float around. Here’s a collection of awesome experiments that NASA has conducted of water in zero gravity. They’re amazing!
https://www.youtube.com/watch?v=4PXkM8P3DHg&list=PL15KbAxfKZE2GLuGleeSpswg_UjJ_Imel