“The limpet’s teeth, described in a new study in the latest issue of the Journal of the Royal Society Interface, are so tough and sturdy that they are now considered the strongest known biological structures on the planet, overtaking the prior holder of that record: spider silk.

“‘Limpets evolved strong teeth as the teeth scrape over rock surfaces every day to feed,’ the study’s lead author Asa Barber, of the University of Portsmouth and Queen Mary University of London, told Discovery News.”