Mosquito bites are itchy and we tend to scratch itchy things. The scratching feels good in the short term but tends to hasten and exacerbate swelling and inflammation. This leads to more scratching ...

Scratch-off tickets are big money for state-run lotteries. Is it the promise of winning big that keeps players in the game? Or is there something else happening in the brain? NOVA is available to ...

Learn how imagination works in the brain and why it may come from higher-level systems, not just a replay of sensory ...

There are a lot of videos in the “satisfying video” genre of internet content. There are pimple-popping videos and even videos of cow hoof-trimming. And then there’s a whole slew of ASMR videos, which ...