Sixteen elementary types of particles form the basis for the theoretical framework known as the Standard Model of fundamental particles and forces. J.J.
Reyna Pratt spends her days preparing high school students in Virginia for an increasingly competitive world. They learn biology, algebra, English composition, world history, and world cultures.
In his first few months on the job, CERN Director-General Rolf-Dieter Heuer opens new lines of communication, oversees repairs to the Large Hadron Collider, and promotes a worldwide strategy for particle physics based on a strong mix of global, regional, and national projects.
