When You Gotta Go, You Gotta Go . . . for about 21 Seconds

People are mostly water. So are all mammals. Sometimes, we mammals are made of a little more water than we care for, which is when it becomes time to get rid of some - if you know what I mean. Treadmill mouse has to go, for about 21 seconds, in this video by New Scientist magazine I wouldn't have thought there was much a physicist would have to say about urinating, but that's where I would be wrong. At the upcoming APS Division of Fluid Dynamics meeting, a session on biofluids includes two paper...