HANOVER, New Hampshire, May 16 -- Dartmouth College issued the following news: * * * Did Dark Matter Form When Fast Particles Got Heavy? New theory says force shaping the universe sprang from rapidly condensing particles. A study by a Dartmouth professor and a senior double-majoring in physics and mathematics proposes a new theory about the origin of dark matter, the mysterious and invisible substance thought to give the universe its shape and structure. The researchers report in Physical R  more