What do earthworms eat? Most of us learn in school that earthworms are good for the soil and help maintain a healthy ...

But just why the humble earthworm is so good at enriching the soil has remained a mystery until now. The secret is a unique digestive system that relies on metabolite molecules dubbed ...

They raise the earthworms in large plastic storage cases and feed them fruit skins and food leftovers. Staff at the center said the digestive system of an earthworm contains various types of ...