What are neutrinos, and how do they come from beyond our solar system?

A couple months ago, scientists with IceCube, an Antarctica-based neutrino observatory, discovered two very high-energy neutrinos — named Bert and Ernie — that appeared to have originated from beyond our solar system. This is amazing news, and we talked to the researchers about what it means. » 6/14/13 11:37am 6/14/13 11:37am