Most marine animals form their shells from calcium carbonate, which is a tough mineral also found in limestone. Some sponges and microorganisms use another compound silica. There is also a group of ...

Add Yahoo as a preferred source to see more of our stories on Google. Doesn’t it bring you so much joy when you’re strolling along the sands and shore of the beach, and spot a unique, colorful ...

Rhode Island beaches offer a variety of finds for beachcombers, including sea glass, shells, rocks, and even fossils. Popular spots include Sachuest Point for rocks and shells, Barrington Town Beach ...