The Science of Scratch-Offs: What Your Brain Can’t Resist | NOVA | PBS

Scratch-off tickets are a bigger source of lottery revenue than jackpot drawings, and this short digs into what happens in the brain of a player who rarely wins but keeps buying more. It is less about gambling odds than about the psychology of near-misses and variable rewards.

Why it's free: Free on NOVA PBS's own channel; GBH produces NOVA for PBS.