Forget Spider Silk, the limpet tooth is now the strongest substance known to man.
Barber used a a new technique involving atomic force microscopy to yank apart a sliver of toothy material nearly 100 times thinner than the breadth of a human hair. The substance he found is made of what he calls “an almost ideal” mix of protein reinforced by fine mineral nanofibers called goethite—creating a structure so sturdy it outperforms spider silk, which scientists had believed to be the strongest biological material.
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