dark matter

From the Observador (Portugal), April 18, 2021: The Muon g-2 experiment confirmed a small discrepancy previously detected between the measured values and those calculated by the most advanced theory we have with the probability that this measure is a statistical error is 1 in 100,000.

From Forbes, April 7, 2021: Don Lincoln, senior scientist at Fermilab, explains that a new measurement announced by Fermilab last week goes a long way towards telling us if the venerable theory will need revising.