This episode brings you a slew of dog and cat mystery sounds to puzzle over. Can you tell the difference playful barks and warning barks? How about decoding the meaning behind a cat’s meow?

It's time for the....Mystery Sound Extravaganza!
34:01

Why do we have Daylight Saving Time?
23:55

New Brains On tour dates added: St. Paul, Atlanta, Portland -- and more!
01:03