Engineers in the UK have found that limpets' teeth consist of the strongest biological material ever tested. Limpets use a tongue bristling with tiny teeth to scrape food from rocks and also to carve out scars, which they nestle in when the tide goes out. The teeth are made of a mineral-protein composite, which the researchers tested in tiny fragments in the laboratory. They found it was stronger than spider silk, as well as all but the very strongest of man-made materials. The findings,...
Full Story: BBC News
