Sea butterflies flit through the ocean on gossamer wings, each species with a style of its own. These tiny marine snails, or thecosomes, migrate up to surface waters at night to feed and sink to ...

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, which ...

🛍️ The best Black Friday deals you can shop right now (updating) 🛍️ By and Jared Adam/The Conversation, Daniel Bliss, John F. Tooker Published Apr 4, 2023 9:00 PM EDT This article was originally ...