From kingfishers to penguins to vultures, dive into the science of ornithology, the study of our planet’s birds. Along the way, you’ll encounter topics like the amazing adaptations of bills; the evolution of birds of prey; and the relationship between shorebird migration and the egg-laying season for horseshoe crabs.

Feathers play an important role in evolution. Originally providing insulation they eventually led to flight. In The Story of the Feather we chronicle how the fossil discovery of the Chinese reptilian wing, a four-winged dinosaur with primitive wings, has provided evidence that dinosaurs gradually evolved winged feathers, ultimately becoming the birds that we are familiar with today.

A single great idea: the theory of natural selection. With it, Charles Darwin shattered existing notions of the natural world by demonstrating how complexity could arise as a result of a blind and mechanistic sorting process, without an "intelligent designer". Now, join Daniel Dennett as he illuminates the radical nature of Darwin's dangerous idea. Setting his stage, Dennett illustrates why skeptics insist that beyond "gradual change" evolution must...