Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich
Alie Ward
So our exposed teeth, your exposed teeth, if you're listening to this, have hard enamel on all sides, but touch the back of your teeth with your tongue. So in a beaver, that side is softer. So their teeth are self-sharpening because the harder marmalade-colored enameled front surface of the bottom teeth wears down the soft backside of the uppers.
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