The Serengeti RulesOne of today's most accomplished biologists and gifted storytellers reveals the rules that regulate all life. How does life work? How does nature produce the right numbers of zebras and lions on the African savanna, or fish in the ocean? How do our bodies produce the right numbers of cells in our organs and bloodstream? In The Serengeti Rules, award winning biologist and author Sean Carroll tells the stories of the pioneering scientists who sought the