
Strongest biological material
Last updated: December 10, 2017 at 5:29 am
Limpet teeth – The radula (tongue) of a limpet is covered in tiny teeth (less than 1 mm) that are made of a mineral-protein composite up to five times stronger than spider silk, and most man-made materials. The teeth actually excavate rock as the limpet feeds.
SOURCE:
Asa H. Barber, Dun Lu, Nicola M. Pugno. Extreme strength observed in limpet teeth. Royal Society journal Interface, 2015 DOI: 10.1098/rsif.2014.1326



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