The new millennium began with questions about the dependability of technology. Well, the Y2K disaster never happened, and technology continued to be our best friend. With artificial hearts and entire face transplants being used with success, the human race was on its way to solving some of life’s huge problems and mysteries. One such unknown was the age of the Universe, a piece of information that was discovered in the 2000s. Space exploration began investigating our planetary neighbor Mars, and found proof that planet once housed water. In this video, http://www.WatchMojo.com reviews these and more scientific milestones from the first decade of the new millennium.