![Mystery Sound Extravaganza 2019 - podcast episode cover](https://img.apmcdn.org/17f369cd0aaa3026730b6858599ed3c422425957/square/6a791a-20190403-girl-with-a-tin-and-string-on-her-ear.jpg)
Episode description
This episode is an ear-tickler! Guess your way through eleven mystery sounds — one from a scientist, and ten from listeners like you! Plus, another mystery: what’s making Marc and Sanden dance to the sounds of a door jamb and a printer? Stick around for all these reveals, and the answer to a new Moment of Um: Why is air invisible?
This episode of Brains On is sponsored by the Kevin Henkes book, "Sweeping up the Heart,” Panama City Beach (visitpanamacitybeach.com), and Philo (philo.tv/brains). You can support the show at brainson.org/donate