Light, like radio transmissions and nuclear radiation, is emitted in the form of electromagnetic waves. Specifically, light travels in transverse waves--that is, while traveling along a generally straight path, light waves will vibrate in many...

The rule of the Securities and Investment Board (UK) that banks and building societies must choose either to give independent advice on all life and UNIT TRUST products available on the market or to sell the products of only one company Although the...

Polarization (Brit. polarisation) is a property of transverse waves which describes the orientation of the oscillations in the plane perpendicular to the wave's direction of travel. This concept is used in areas of science and technology dealing with...

THIS YEAR'S political campaigns generated much regretful commentary about our polarized society, and those red-and-blue maps of the results reinforced the sense of a divided nation. But this polarization is at once milder and more serious than is often presumed. The good news is...

ROBERT SAMUELSON The politics of polarization By ROBERT SAMUELSON The Washington Post Friday, July 2, 2004 Let me raise a red flag about the so-called red and the blue states, which is the reigning theory of American politics. All those...

Citing the complexity of the decision, the U.S. Fish and Wildlife Service announced Monday it would not meet a deadline for a recommendation on listing polar bears as a threatened species due to global warming under the federal Endangered Species Act.The deadline for a listing...

Two-thirds of the world's polar bears will be killed off by 2050 _ and the entire population gone from Alaska _ because of thinning sea ice from global warming in the Arctic, government scientists forecast Friday.Only in the northern Canadian Arctic islands and the west...