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 ...

There is talk therapy, physical therapy and even massage therapy, but a new type of therapeutic approach is becoming increasingly popular. Back scratching therapy. Popping up in major cities across ...

Pashun George and her sister grew up scratching their mother’s back before bed. Now, they charge $130 an hour for it. In 2010, they turned the tradition into a family business, Scratcher Girls, the ...

The internet can feel like pure chaos sometimes. It is loud, messy, and kind of exhausting. But every once in a while, you find something so perfectly arranged that it makes your brain feel calm again ...

When I was a kid, my mom would say, “Don’t scratch that itch, it will only make it worse.” And multiple elementary school teachers told me, “Holding an injury doesn’t help. Leave it alone.” But it ...