Charles Darwin's theory of evolution generated scientific debate and discussion not only in Darwin's own time, but for decades afterward. In the latter part of the nineteenth century and the until ...

A CRITICAL study of the various theories extant concerning the origin and evolution of the insects as a class reveals that there is so far no general agreement amongst biologists on the point at ...

But for the Grants, the rewards have been great: They have done nothing less than witness Darwin's theory of evolution unfold before their eyes. That would have stunned Darwin, who thought natural ...