Flannel is a soft, comfy fabric used to make shirts, cozy winter bed sheets and all kinds of other stuff. But how is it made? We asked fabric expert Susan Brown to help us find the answer.
Got a question that’s got you woolgathering? Send it to us at BrainsOn.org/contact, and we’ll help you weave your way to the right answer!

We’re back! Brains On Universe has a new headquarters
07:30

A big update about Moment of Um and the Brains On Universe
02:56

How do braces work?
06:19