Classic stuffed shells get a bright boost with the addition of lemon, spinach, and garlic-and-herb Boursin cheese. Jarred ...

Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

Some ammonites had long, straight shells, while others had helix-shaped shells. Most species, however, had coiled shells lined with progressively larger chambers separated by thin walls called septa.