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Ask Dr. Universe

Your Paw-some Question | Why is snot green?

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© Washington State University Length 00:05:28 2 April 2025 Season 5 Episode 5 Age: 6-10 Topics: Science , Fact Country: USA Type: Episodic

Full episode description

© Washington State University Length 00:05:28 2 April 2025 Season 5 Episode 5 Age: 6-10 Topics: Science , Fact Country: USA Type: Episodic

Episode 1: Coins, Robots, Bees, Food, Dogs, Microbes

Episode 1: Coins, Robots, Bees, Food, Dogs, Microbes

This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

Listen to episode one here

Send us Fan Mail

Purr-haps you'd like a new way to get your claws on science questions sent in by kids like you. That's litter-ally my favorite thing.

Today Cosmo and I tackle a question from William, 7, from the United Kingdom: Why is snot green?

You'll hear:

What mucus isWhat protein makes mucus green sometimesHow immune cells trap irritants and stuff that can make you sickResources you can use:

Check out Operation Ouch's Science of SnotLearn about the nursing career As always, submit burning questions at askdruniverse.wsu.edu.  Who knows where your questions will take us next.


© Washington State University | 00:05:28

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