A Japanese scientist could soon become stinking rich with an invention to be ready by 2005 that would use Panda dung to create electricity. Fumiaki Taguchi, emeritus professor of Kitasato University in Tokyo, embarked on the project five years ago when he asked Ueno Zoo for a bucketful of one of their most popular residents' faeces. Bacteria inside the panda's belly must be pretty special to be able to digest tough bamboo leaves and shoots, he reasoned. "If a panda can support such a big body by eating bamboo leaves, it's really different from other animals," Professor Taguchi said. "There...