SCOTT SIMON, HOST:
It's been over a week since scientists announced that they've found the Higgs boson particle. It's an important discovery. They say that although the Higgs boson particle is small - or, come to think of it, perhaps because of it - it holds the universe together. But for all the publicity the particle's received, how many of us could explain what it actually does? Well, here's the announcement from scientists in Switzerland.