Detector spots solar chameleons

From Albuquerque, N.M., at a meeting of the American Physical Society and American Astronomical Society

The case of the missing solar neutrinos is solved–again. New data from the deep subterranean Sudbury (Ontario) Neutrino Observatory (SNO) indicate that the sun produces all the neutrinos that solar theory says it should. Even so, that spells trouble for the prevailing theory, or standard model, of particle physics.