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...

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...

Two conservation groups sued the federal government Tuesday, claiming regulators are not doing enough to protect polar bears and walruses against the combined threat of energy exploration and global warming.The groups say the U.S. Fish and Wildlife Service did not fully consider the effects of...

Environmental activists, hunters and oil industry representatives spoke at a public hearing Monday night on whether the U.S. government should list polar bears as a threatened species.Some speakers said scientific evidence supports the listing and urged the U.S. Fish and Wildlife Service to adopt protections...