Jørn Hurum (R) of the University of Oslo Natural History Museum, shows New York City Mayor Michael Bloomberg (C) and David Young (L), CEO of Hachette Book Group, a 47 million year-old skeleton of the most complete fossil primate ever found, after it was unveiled May 19, 2009 at the American Museum of Natural History in New York. The University of Oslo and the Senckenbert Research Institute revealed the young female specimen, nicknamed 'Ida'.