Short Stuff: That's A Head Scratcher

In this Short Stuff episode, Josh and Chuck dive into the oddly common habit of scratching your head when you're thinking—and spoiler alert, there's no single definitive answer for why we do it. They explore several fascinating theories, from it being an evolutionary remnant of aggression to a self-soothing mechanism, and even the idea that it's a "displacement activity" our brains use when stressed. The guys talk through actual research, including studies on macaques and insights from FBI agents, to try to crack this everyday mystery that might actually reveal something interesting about how our brains work.