Scientists at Scripps Institution of Oceanography at the University of California, San Diego, have documented what they are calling possibly the most extreme case of animal structure elongation ...

Most people think of clams as a gooey blob inside of a two-piece shell, but there’s actually a lot more going on inside that shell that you might come to expect. While it’s true that a clam is rather ...

They form from the inside out. A thin tissue that adheres to the inner surfaces of the shell, called the mantle, and a thickened rim of muscular tissue at the mantle edge deposit new shell material at ...