Helmet shells on the shore are usually about the size of a fist, the Cape Lookout National Seashore's Facebook page said, but a "jackpot" of a shell was about four times the size. A massive helmet ...

Alternate helmets have become trendy in the NFL since the league lifted the one-shell rule in 2022, allowing teams to have a second shell to pair with alternate uniforms. Since the rule was lifted, 24 ...

Scallops' soft bodies are well-protected by their hard shells, so … could those same shells protect human heads? That question was asked by the Japanese designers of the Shellmet, which is a helmet ...

Usami and his team are now transforming discarded shells into a new material called Shellstic—like plastic, but with about 20% to 50% shells. After one year of development, the first major product to ...

Most divers never see this huge, 15-inch-long marine snail except in the roadside shell stands. Hawai‘i has the largest helmet shells in the world, and I have seen divers swim right over them only two ...