Why are giraffe tongues blue? - A Moment of Um extra

Wow, wow, wow! Our new Moment of Um podcast is finally here. Check out this sample episode, and subscribe to Moment of Um in your podcast player. There are already five episodes just waiting for you to listen, and there’s a new one every weekday. Do you have a head-scratcher that you think would make a great Moment of Um episode? Head over to BrainsOn.org/contact to let us know about it.

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Brains On!® is a science podcast for curious kids and adults from American Public Media. Each week, a different kid co-host joins Molly Bloom to find answers to fascinating questions about the world sent in by listeners. Like, do dogs know they’re dogs? Or, why do feet stink? Plus, we have mystery sounds for you to guess, songs for you to dance to, and lots of facts -- all checked by experts.