http://inhabitat.com/physicists-announce-the-possible-discovery-of-a-fifth-force-of-nature/ "“If true, it’s revolutionary,” said Jonathan Feng, UCI professor of physics & astronomy. “For decades, we’ve known of four fundamental forces: gravitation, electromagnetism, and the strong and weak nuclear forces. If confirmed by further experiments, this discovery of a possible fifth force would completely change our understanding of the universe, with consequences for the unification of forces and dark matter.”"