Two Flagella Are Better than One

As imaging improves, so does knowledge of the workings of the bacterial flagellum. Two new papers point out new findings about these outboard motors that contribute to the argument that they are irreducibly complex and intelligently designed. As could be predicted, neither attempts any explanation of how they could have evolved.

Secondary Flagella

One paper in PNAS by German scientists explores the advantage of having two flagella, one at the rear and another one or two on the sides. If you we...