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Apr 14
13 m

Why do we yawn?

ABC Australia
About this episode
We often think of yawning as something that happens when we're tired but the answer is much more mysterious. Nij and the kids meet Dr Kathleen Maddison at the Centre for Sleep Science for an adventure that starts all the way back in caveman times!    For more great kids podcasts, download the free ABC listen app (Australia). There you’ll find more kids new ... Show More
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