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growing hair

When Hippos Hang by a Hair
October 9th, 2021

Ever wonder if your hair is strong enough to pick up a pen? Or a hippo? You might be surprised at just how strong one strand of hair can be! Read on to do the hair-raising math on the strength of your hair.

The Race Against Your Toenails
March 10th, 2020

Bedtime Math fan Jay A. asked us, which one grows faster, our hair or our nails? Read on to find out which is speedier – and do the hair-raising math!

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