
Physicists Hunt For Hidden Particles
Scientists using Fermilab's Tevatron particle accelerator report findings on the makeup of matter. Updates include the sighting of a single top quark and progress in the hunt for one of the holy grails of physics — the Higgs boson. Fermilab's Heidi Schellman describes the news.
Related NPR Stories
Quarks Don't Have Time to Celebrate the New Year Jan. 1, 2007
The World's Largest Particle Accelerator April 9, 2007