Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For a group of small aquatic animals known as hydra, decapitation is ...

Researchers pinpointed the genetic machinery behind some of these tiny creatures’ amazing powers of regeneration. By Sam Jones In rivers and streams across the globe lives a tube-shaped carnivore. It ...

(Santa Barbara, Calif.) –– What good is half an eye? Evolutionary biologists studying the origins of vision get that question a lot, and new research out of UC Santa Barbara points to a possible ...

In the freshwater polyp Hydra vulgaris, a single population of stem cells is responsible for both gamete production and the sea anemone’s impressive regenerative abilities. However, this productive ...