LOS ANGELES - Next to a copy machine on the 10th floor of the city's public works building sits a plastic bin filled with worms wriggling in rotting lettuce. Public servants walk by without even ...

There’s a yardstick among gardeners that good, rich soil with lots of actively decaying organic matter in it should have about a dozen or more earthworms (Lumbricus terrestris) in each cubic foot. But ...

Biologists used to assume that ribbon worms were short-lived, fragile creatures, the kind of invertebrates that flicker ...