The Strange Discovery on the Shore

of tiny teeth.

Seen from the right angle, those structures can look remarkably similar to a miniature set of mechanical teeth.

What appears frightening in a photograph is actually an example of a highly specialized survival system.

The Incredible Strength of Chiton Teeth

Perhaps the most surprising fact about chitons is the strength of their teeth.

Their teeth contain magnetite, an iron-rich mineral that contributes to their exceptional hardness.

These teeth allow chitons to scrape algae from hard rocks again and again without quickly wearing away.

Scientists have long been