Studying sex from just the male perspective misses half the experience. But much of what we know about the origins of reproductive cells comes from looking at sperm and egg formation separately—or ...

Scientists have created the most complete network ever of a central nervous system, a team of neurobiologists reported in the journal Nature. The researchers traced every neuron in small worms to ...

In the sandy bottom of warm coastal waters lives Paracatenula—a small worm that has neither mouth, nor gut. Nevertheless, it lacks nothing thanks to Riegeria, the bacterium that fills most of the body ...

Andrew Fire and colleagues first described RNA interference (RNAi) in Caenorhabditis elegans in 1998. 1 Exogenous double-stranded RNA (dsRNA) injected into cells effectively induced silencing of an ...

These strange worms are a type of polychaete worm that belong to the family Nereididae commonly known as clam worms. Polycheate worms are set apart from other marine worms by bristles (known as cheate ...