How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives?
And how come some other mammals get to cheat the system?
From elephants to baboons, we'll learn why teeth don't grow back.
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives?
And how come some other mammals get to cheat the system?
From elephants to baboons, we'll learn why teeth don't grow back.
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