What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought oysters were fancy. Following is the transcript of the video.

Geoduck (pronounced “gooey-duck”) is a clam with an oversized siphon (some people call it the neck) that bears an unfortunate resemblance to a certain part of the male anatomy; the siphon and ...