REFERRING to the review of Hilbert's “Grundlagen der Geometric,” on p. 394 of No. 2066 of NATURE (June 3), may I point out that the commutative law of addition can be proved without the help ...

The Maxwell–Boltzmann distribution describes the probability distribution of molecular speeds in a sample of an ideal gas.

News, analysis, and competitive intelligence on the biggest developments impacting the Pennsylvania legal community.

Podcasts Politics The NPR Politics Podcast From NPR Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just ...

WorldCom was a U.S.-based telecom company that underwent one of the largest bankruptcies in U.S. history following a massive spate criminal of accounting fraud.