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There is some very circumstantial evidence that at least points toward supersymmetry, the evidence goes like this. When we measure the strengths of the electromagnetic force and the strong nuclear force, the weak nuclear force. When we measure their strengths that ordinary energy scales that say are accessible to a garden-variety of accelerator. The strengths of those forces are all different, but what we can also is that we can extrapolate it and determining what the strengths of those forces would look like in conditions closer to the big bang, highly energetic, high temperature conditions and what we find is the strengths of three forces appear to converge as you go to higher energies, higher temperatures. We like that, it suggests that all forces maybe are all the same force, just looks different at ordinary scales, but actually unite in more extreme circumstances. But the thing is if you do it very precisely, the three forces almost converge to the same strength, but not quite without supersymmetry. When you add supersymmetry to the equations, the three force strengths all meet at a point, they all come together. That doesn’t mean supersymmetry is right, but the near-miss without supersymmetry and exact hit with supersymmetry suggest that some supersymmetry really is at work in the universe.
