A 16th century woodcut shows the interior of a kitchen. In medieval Europe, cooks combined contrasting flavors and spices in much the same way that Indian cooking still does today. Paul Lacroix/Wikimedia hide caption

itoggle caption Paul Lacroix/Wikimedia

John Hargrove, a trainer who spent 14 years working with orcas, mostly at SeaWorld, eventually became disillusioned with the company's treatment of its killer whales. Courtesy of Palgrave Macmillan Trade hide caption

itoggle caption Courtesy of Palgrave Macmillan Trade

Neil deGrasse Tyson with a Cambodian cricket rumaki canape, wrapped in bacon. "I have come to surmise, in the culinary universe, that anytime someone feels compelled to wrap something in bacon, it probably doesn't taste very good," he said skeptically before taking a bite. Carole Zimmer for NPR hide caption

itoggle caption Carole Zimmer for NPR