Due to its large dynamic range, the decibel is a useful unit of measure and is used in various applications, mainly in the ...

The suspect in the Washington, D.C., shooting that critically wounded two National Guard members was an Afghan national who served alongside U.S. troops in Afghanistan, officials and a relative say.

Across the country, educators continue to wrestle with big questions about math curricula. Two years ago, the California education board’s adoption of a long-gestating new math framework added more ...