NOVA: What Darwin Never Knew DVD
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Earth teems with a staggering variety of animals. The source of life's endless forms was a profound mystery until Charles Darwin's revolutionary idea of natural selection. NOVA reveals answers to the riddles that Darwin couldn't explain. Stunning breakthroughs in a brand new science nicknamed 'evo devo' are linking the enigma of origins to another of nature's great mysteries, the development of an embryo.