About a month after a rare invasive clam was found in Lake Champlain, the Adirondack Park Agency has stepped in to help measure the level of infestation. The agency worked with the New York State ...

The clam that it came from is a northern quahog ... it is highly unlikely for a pearl–especially a rare one–to survive ...

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.