http://arxiv.org/abs/1005.4172 http://arxiv.org/abs/1005.4172 c is a bit more established than "scientific fact" like the behavior of atoms were once thought t

http://arxiv.org/abs/1005.4172 http://arxiv.org/abs/1005.4172 c is a bit more established than "scientific fact" like the behavior of atoms were once thought to be, it is very mathematical, as is the curvature of the earth being > 0. In principle new data could come in showing these things to be false, in the same sort of way twice 2 may not be 4. Another similar fact almost beyond experimental disproval is https://en.m.wikipedia.org/wiki/Identical_particles https://en.m.wikipedia.org/wiki/Identical_particles