Dubois described a species of clam from the shells he found ... and before you know it, there was a drawing,” she said. “I think the person did his or her best to make something that looks ...

NPR offers a correction to a piece earlier in the week in which we referred to the mollusk in the famous "Birth of Venus" painting by Botticelli as a clam shell. Now, a correction. On Tuesday ...

Half a million years ago, on the banks of a calm river in central Java, they scored a deep zigzag into a clam shell. “Half a million years ago, on the banks of a calm river, someone scored a ...