Dogs come in so many different sizes, from the tiniest teacup terrier to the giant Great Dane. How did we get such a delightful assortment of these furry best buddies? We asked Brains On producer and archaeologist Anna Goldfield to help us find the answer.
Got a question that’s been hounding you? Send it to us at BrainsOn.org/contact, and we’ll make sure to bark up the right tree!

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