One hundred thousand years ago, a human cousin walked a rock- ribbed beach along the Mediterranean Sea, her head lowered and her large eyes scanning the shoreline. Now and again she stopped, bent her ...

Sea shells are abundant on the New Jersey shores. There are the black ridged scallop shells that look like accordion fans, the pretty and delicate spiral shells that come in various patterns and ...

Last weekend, a lone, gray heart-shaped shell drifted ashore, nestling itself upon a beach in Cornwall, England. It was quickly joined by another—and then another. Before long, hundreds of these ...

Robert Muir works in the cultural heritage and tourism industry. Nathan Brooks English does not work for, consult, own shares in or receive funding from any company or organization that would benefit ...

Aurelie Moya receives funding from the Australian Research Council. Curious Kids is a series for children. If you have a question you’d like an expert to answer, send it to curiouskids@theconversation ...