Antimatter Discovered Close to Earth

When electrons and positrons collide, you've got antimatter. Previously, astrophysicists believed that this particle slam-dance could only happen in the hot, energetic heart of a galaxy. But now a new article in the latest issue of Nature reveals that antimatter is being brewed up everywhere around us — at least,… » 1/09/08 10:20am 1/09/08 10:20am