5 min
Why Are Yawns Contagious? Scitech's Wonder Kids
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- Education for Kids
This week Evan answers Phoebe's question, why are yawns contagious? You may even find yourself catching a yawn during this episode!
This week Evan answers Phoebe's question, why are yawns contagious? You may even find yourself catching a yawn during this episode!
5 min