So that's how they do it! Spiders Tune In To Web's Music for Meals and Mates

Some of the toughest stuff in nature is spider silk — as strong, ounce for ounce, as nylon. And a silk web makes a great trap for prey, as well as a nice place for a spider to live. But scientists have learned that spiders can do something else quite extraordinary with their webs: They can "tune" them, like musical instruments.