evolution

Attenborough and The Sea Dragon

Attenborough and the Sea Dragon

Bringing the Past to Life in Technicolor

One of the most important features of animals is their color. Whether it be to attract a mate or hide from a predator, color is involved in most aspects of animal behavior and influences how well they survive and pass on their genes to future generations. Once thought impossible, scientists can now tell what colors many extinct animals may have been.

  Dogs By Design | Full Episode

Dogs That Changed the World: Dogs By Design

Dogs By Design | Full Episode

The second hour of "Dogs That Changed the World" details the explosion of the basic working dog types into the roughly 400 breeds known today; explores concerns about today’s competitive breeding and its effect on dogs’ health and well-being; and outlines dogs’ potential role in medical care for human beings.