You can use a scale to measure how heavy something is…but what if that something is really big? Like, really, REALLY big? Like the WHOLE continent of North America? There’s no scale big enough, so you gotta use science and math! We asked geoscience grad student Kelsey Woody to help us find the answer.
Got a question that’s weighing heavily on you? Send it to us at BrainsOn.org/contact, and we’ll help lighten the load by finding the 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