Tiny Sea Snail Teeth are Nature's Hardest Substance
Limpet sea snails may be small, but their mouths pack a big punch. They have a row of tiny teeth made of the hardest biologically produced substance ever discovered. In addition to an "almost ideal" mix of proteins, the teeth are reinforced with a …
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Duke fighting human nature as Clemson awaits
Human nature plays a role in that, undoubtedly, and Krzyzewski has acknowledged that several times this year. Saturday's game against Clemson (15-11, 7-7) will again test Duke's ability to move on from a big win and use its indisputable talent …
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