Sharks and crocodiles grow endless sets of teeth, but humans only get two. Explore how teeth develop and how regenerative ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you’re an adult human, odds are you already know a thing or two ...
Humans have buds of a third set of teeth embedded in their jaws. [iStockphoto] Teeth don't grow back once humans become adults: any wear and tear is permanent - as those with fillings would know - ...
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