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 ...

Quick Take Hammerhead worms often reproduce through fragmentation, allowing a single individual to start an entire population without a mate. Many invasive populations show extremely low genetic ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s been a wormy, sexual head-scratcher for years. The Japanese ...

Researchers have successfully reanimated the bodies of 46,000-year-old microscopic roundworms they found frozen 130 feet below the Siberian permafrost. Amazingly, the worms got to work right away, and ...

Sexual reproduction allows organisms to mix up their genes and develop new adaptations to survive a harsh and ever-changing environment. Under nutrient-rich conditions, the worm C. elegans is ...