Change is an inescapable fact of life. The theory of evolution explains how and why living things change, generation by generation, as they adapt to the world around them. Here, David Burnie demystifies evolution, describing how it occurs, and why - 150 years after it was first proposed - it remains one of the most contested areas of human knowledge.
John R. Gribbin is a British science writer, an astrophysicist, and a visiting fellow in astronomy at the University of Sussex. His writings include quantum physics, human evolution, climate change, global warming, the origins of the universe, and biographies of famous scientists. He also writes science fiction.