Terracotta army has egg on its face Monday, 21 April 2008 Jennifer Viegasv Discovery News Soldiers of China's terracotta army were once brightly painted, then preserved with an egg coating (Source: Reuters/Philippe Wojazer) China's terracotta army, a collection of 7000 soldier and horse figures in the mausoleum of the country's first emperor, was covered with beaten egg when it was made, scientists say. According to German and Italian chemists who have analysed samples from several figurines, the egg was as a binder for colourful paints, which went over a layer of lacquer. "Egg paint is normally very stable, and not...