[estebanrules]

How would you folks rate the significance of this, let's say as far as scientific discoveries / realizations go in the last 100 years? Yes, of course this is completely subjective. I would say in the top three.

[sanxiyn]

Assuming it's real, I think it's up there with T ~ 3 K (cosmic microwave background itself, Nobel 1978) and Λ > 0 (accelerating universe, Nobel 2011).