Shells sometimes hold technological feats that ... The heart cockles of Venus (Corculum cardissa), small bivalves found in the tropical waters of the Indo-Pacific, have an astonishing ...

Gastropods, such as sea snails, have one outer shell while bivalves, such as oysters, scallops and mussels, have two. As they grow, these animals use proteins and minerals to build their shells ...

We have examined fossil bivalve shells to try to determine whether the obvious growth lines on the shells are related to tidal or other environmental phenomena. Although the study is continuing ...

In the face of danger, most bivalves protect their squishy bodies by snapping their hard shells shut. It’s a tried and tested tactic that’s worked well for millions of years. But not all bivalves play ...