https://apnews.com/6d154df9bd594b97a646c4c659b58a52

MADISON, Wis. (AP) — The 2,000 tickets to UW-Madison chemistry professor Bassam Shakhashiri’s two free holiday science shows this year were snatched up almost immediately.

Forty-nine years since the show began in a university lecture hall, the popularity of Shakhashiri’s science extravaganza remains as strong as some of the chemicals he mixes.