It’s long been accepted by physics that nature has supplied us with four fundamental forces. Gravity holds the planets and galaxies together, and the electromagnetic force holds us and our molecules together. At the smallest level are the two other forces: the strong nuclear force is the glue for atomic nuclei, and the weak nuclear force helps some atoms go through radioactive decay. These forces seemed to explain the physics we can observe, more or less.
Continue reading COULD THERE BE A FIFTH FUNDAMENTAL FORCE OF NATURE?