Selects: How Itching Works

507.728 - 532.765 Josh

Yeah, and that's still, as far as I know, the evolutionary hypothesis for why we experience itching. Yeah. And it's not just us either. Well, you're scratching like crazy now. It's found throughout the animal kingdom from us to apparently fish have shown scratching behavior. Yeah, that's crazy. Fruit flies. How does a fish scratch, you might ask? It rubs up against rocks. Yeah, it's kind of cute.