Engineers have uncovered the secret to the exceptional toughness of conch shells, and say the same principles can be used for body armor and helmets. The shells of marine organisms take a beating from ...

A conch shell found in a cave used by the Magdalenian people of the late Upper Palaeolithic was originally thought to be a cup, but a new analysis suggests they used it as a kind of horn. That would ...

CAMBRIDGE, Mass. -- The shells of marine organisms take a beating from impacts due to storms and tides, rocky shores, and sharp-toothed predators. But as recent research has demonstrated, one type of ...