Why pulling nose hairs makes you cry?

Oct 11, 2013 · 20 min · Episode 247 · 20.1 MB

0:00-20:54

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Why tugging on nasal hairs causes crying? What triggers static shocks? Why are computers based around binary? What are blood groups? How can babies have 3 parents? Why is yawning contagious? What happens to excess skin when a person slims? When is a hot bath too hot? Why are some infections more common in winter? Like this podcast? Please help us by supporting the Naked Scientists