<http://schema.org/description>
"For engineers looking to create the next generation of armour, the ocean is the place to look. Animals from snails to crabs protect themselves with hard shells whose microscopic structures imbue them with exceptional durability, surpassing even those of most man-made materials. They are extreme defences. The mantis shrimp smashes them apart with its fists.&amp;hellip;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://phenomena.nationalgeographic.com/2012/06/07/how-mantis-shrimps-deliver-armour-shattering-punches-without-breaking-their-fists/>