Doug Comstock, NASA's Director, Innovative Partnership Office, speaks during a ceremony for winners and participants of NASA’s 2009 Centennial Challenges, Friday, Feb. 26, 2010, at NASA Headquarters in Washington. The year-long competition addresses a range of technical challenges that support NASA's missions in aeronautics and space with a goal of encouraging novel solutions from non-traditional sources. Photo Credit: (NASA/Paul E. Alers)