Water seems like a pretty unremarkable thing but it has a lot of weird properties that we tend to take for granted because it’s around us all the time. For example, solid ice floats on liquid water. That seems normal because we see it every time we have a glass of ice water, but most solids don’t do that. They sink right to the bottom.Besides that, there are actually many types of ice, although only 2 are naturally found on earth. Speaking of planets, there are places on Mars where pressures and temperatures...