Jonathan Vos Post Wonderful! Now, what's the deal here? Two of the presentations that we saw at the caltecvh APS Interdisciplinary session claimed that it was IMPOSSIBLE for there to be any kind of neutrino other than the three already known. And yet (do please share what you think):
Sterile neutrino back from the dead
* Updated 18:09 03 November 2010 by David Shiga
* Magazine issue 2766.
http://www.newscientist.com/article/dn19072--sterile-neutrino-back-from-the-dead.html
t means the theory paper was wrong IF this result holds up. Better than "not even wrong." ;-)