As It HappensWhen you think of a sea snail, you might think slow, but do you think strong? It turns out sea snails contain the strongest material in the world -- in their teeth.An image of limpet teeth captured using a scanning electron microscope. (Photo courtesy of University of Portsmouth)British researchers have discovered the world’s strongest biological material ever tested: sea snail teeth.Yep, you read that right. The super-strong structure of limpet teeth -- a shelled sea mollusc about ...