Pampered penguins in zoos escape the elements and feast on fish to their hearts' content, but care-free living comes at a cost. Newly published research suggests that zoo penguins age faster than their wild counterparts, biologically speaking, and this offers an invaluable analog for Western lifestyles in humans. "A 15-year-old penguin in the zoo has the body of a 20-year-old penguin in the wild," explains study co-author Céline Le Bohec, a scientist at the Monaco Scientific Center, who has