EAST LANSING, MI.- In its largest international and multimedia exhibit ever, the Michigan State University Museum has put on display 240 masks, ranging in size from a few inches to 7 feet. “MASK: Secrets and Revelations” explores issues of spirituality, self identity, power and authority, human rites of passage and the place of people in nature, said Gary Morgan, MSU Museum director. It will run until Jan. 22, 2012, in the Main Gallery. Shortly after arriving at the museum in 2009, Morgan was struck by the diversity and depth of the museum’s mask collection. So after sitting in storage for many years, most of the masks are now making their first public appearance. “We have a very significant collection,” Morgan said. “It’s an asset to the museum and to MSU, but only if it’s used for research and/or public education. In fact, we need to be rolling out more and more of our collections o