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NAS Member Shares Nobel Prize in Physics
Nobel Medal for Physiology or Medicine. ®© The Nobel Foundation.

National Academy of Sciences member Yoichiro Nambu has been awarded the 2008 Nobel Prize in Physics for his introduction of spontaneous broken symmetry into elementary particle physics, along with Makoto Kobayashi and Toshihide Maskawa, who will share half of the prize for their discovery of the origin of the broken symmetry. The spontaneous loss of symmetry permeates the Standard Model of physics, which unifies the smallest building blocks of all matter and three of nature's four fundamental forces into a single theory.