Flagella are tiny, hair-like appendages on the surface of many cell types that provide either the motile force for movement or that serve as sensory receptors for information about the cell's external world. There are two very different kinds of...

WikiProject Biology may be able to help recruit one. If a more appropriate WikiProject or portal exists, please adjust this template...

Skeptical about the claims of "intelligent design"? To try and win you over, professor Michael Behe would show you a diagram of the biological marvel that is the flagellum. Perhaps you were shooting spitballs when your biology teacher covered the flagellum and other...

Researchers have used high-resolution images of bacterial flagella to identify the mechanism that allows a flagellum to change its shape. Protein strands in the flagella switch past each other to form a new arrangement. Without its flagella, many a bacterium would truly be...