23 Body Facts You Wondered But Forgot to Google

Humans are unique, and here are some facts to prove it. About 25% of people have an interesting reaction to sunlight – it's sneezing! Just like salamanders regrow their tails, humans might be able to regenerate cartilage – that's rubber-like stuff around your joints. The older you get, the fewer bones you have. When someone's lying, the temperature around their nose and in the inner corners of their eyes goes up.

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