All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate ...

Starting when he was a Ph.D. student in the 1990s, he has monitored the evolution of two common species of sea ... the snails through "risk cues" like smell and hormones—grew thicker shells ...

Fossil shell of Pithocerithium rubiginosum (height is 1.5 cm) from the Miocene sediments of Nexing in Austria (left) and isolated reddish polyene pigments on calcium fluoride disc (diameter of ...

But conch snails defy these expectations with eyesight as good as some vertebrates. These marine snails combine exceptional ...

He's joining me today to teach me how to eat sea snails. Dan Q. Dao: It was, like, the whole experience. A trash can full of shells under you, you're drinking a ton of beer, and everything's ...

The sea snail with shell measures a little less than 2 centimeters. Although the sea creature is found in colonies at a beach only minutes from the school, it is designated as a near-threatened ...

Among these, cone snails stand ... The removal of large shells and shell fragments also has the potential to alter the rate of shoreline erosion. This summer, instead of collecting sea shells ...