Are overweight politicians less trustworthy? What can bosses learn from a hostage negotiator? What happened to the Vegas wedding industry last year? How can Big Macs measure the true size of China's economy? And why do dung beetles' love of human faeces result in scientific bias? The ever-keen minds of The Economist Explains ponder all these and more in this latest encyclopaedic excursion around the globe. From Hollywood to the underground hair trade, discover answers to the unconventional headscratchers you never thought to ask. This is an extraordinary compendium of the peculiarly true.