Wednesday, February 18, 2015

What's the strongest known biological material?

What's the strongest known biological material?  Limpet teeth (at right).

Who knew that limpets even had teeth?  I'd never thought about it before, though I've seen limpets at work on shoreline rocks many times.  I always assumed that they used digestive acids to perform their rock-cleaning magic – I had no idea they did it mechanically, with teeth and muscles.

I have a new-found respect for limpets :)

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