Male stolon (right hand side): one of the independent reproductive units of a branching marine worm, growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free ...

Scientists have discovered how Japanese green syllids — a type of sea worm — grows a twin on its butt that swims away to spawn. When you purchase through links on our site, we may earn an affiliate ...

WASHINGTON — Earthworms, as we know, are garden champions, cleaning the soil by eating their weight in organic matter every day and aerating it as they wriggle around, creating tunnels to ease root ...