Looks like Einstein may have been wrong — An international team of scientists at CERN has recorded neutrino particles traveling faster than the speed of light.
According to Reuters :
"It's important to make clear is that nobody is claiming a discovery, or any contradiction with relativity," explained Gillies. "The OPERA experiment has a measurement they can't account for, so they're opening it up for further scrutiny, and hopefully an independent measurement from another lab."
The OPERA experiment that Gillies is referring to is designed to investigate the phenomenon of neutrino oscillations, wherein elementary particles known as leptons spontaneously transmutate (or shift) from one flavor of subatomic particle (called muon-neutrinos) into another (so-called tau-neutrinos). (You can read all about leptons, muon-neutrinos, and tau-neutrinos in our Ultimate Field Guide to Subatomic Particles .)