I mean, I'm sure that's *supposed* to be water in her glass, but it looks like... no... I won't go there. Image credit: Library of Congress via Wikimedia Commons.Previously, I told you about how rodents can avoid predators by detecting specific metabolites in carnivore urine, but today I’d like to tell you about some new research being done on human urine in an effort to diagnose certain diseases. Last week I introduced the topic of metabolites, which are the by-products of the breakdown [...]