Human teeth are just as strong as shark teeth.
The coldest temperature ever officially recorded was -89.2°C.
A heatwave can make train tracks bend!
Octopuses have three hearts ❤️❤️❤️
An average yawn lasts six seconds.
Your heart is about the same size as your fist.
Your nose and ears continue growing for your entire life.
The shark is the only fish that can blink with both eyes. ?
It is physically impossible for pigs to look up into the sky.
An ostrich’s eye is bigger than its brain.
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