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To humans, ultraviolet (UV) radiation is a menace: we cannot see it, yet it is all around us, increasing our risks of melanoma, cataracts and other ills. It is especially harmful in the upper latitudes, where a thinning ozone layer has become less and less effective at blocking the sun’s UV rays, and ice and snow reflect them back up at us. All these facts have caused biologists to wonder: How have Arctic mammals adapted to handle acute UV exposure--not only tolerating the intense light conditions at the poles, but even using it as an evolutionary advantage

Nintendo's Wii has been used for a while now by physical therapists, but a revolutionary new platform could transform the game system into an at-home recovery tool, with therapists overseeing progress over 3G. A revolutionary rehabilitation system has stroke patients ambling onto Wii Balance boards--at home--to play versions of games like Wii Resort and Wii Sports, under the watchful eye of a remotely located therapist. For the first time, therapists can assign "homework therapy," giving patients an opportunity to get continuous monitored therapy services and rehab at home with ease.

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(PhysOrg.com) -- Australian National University scientists have successfully bent light beams around an object on a two dimensional metal surface, opening the door to faster and cheaper computer chips working with light.

Even if you don't care about the environment or animal welfare, you should care about this: The antibiotics conventional farms pump into their birds results in deadly bacteria that doesn't respond to normal treatment. Forget whether it tastes better or is nicer to the bird. Non-organic chickens are a public health issue.

(PhysOrg.com) -- Science has taken one more step towards creating a true real-life cloaking device. Assistant Professor Andrea Alůin and his colleagues at the University of Texas at Austin have successfully created a cloaking device capable of "hiding" a 3D object in free space from microwaves

New research by scientists at the University of York gives a fresh perspective on the physics of black holes.

Israel may be the world's next energy superpower. But is this good for the Jews?

Sick of being paid tiny wages to make crafts, Reese Fernandez-Ruiz started an organization to get famous designers to give her work cachet, and started helping get local craftswomen out of poverty. Reese Fernandez-Ruiz was teaching children math, science, and reading skills in Payatas--one of the Philippines' biggest dump sites--when she noticed something: local mothers were making foot rugs out of scrap cloth that was furnished to them by a group of middlemen, who got the cloth directly from a factory and retrieved the finished products to sell

After being fished to the brink of extinction, the once abundant (and delicious) cod is coming back due to smart management of the fisheries. But that doesn't mean the species will ever be the same. For 500 years, the waters off Canada's Newfoundland were among richest fishing grounds in the world

New York is at the top of the list; South Carolina is at the bottom. New York was tops in the nation for entrepreneurial activity, according to a new report

Walking down a residential street in the evening, you might find yourself glancing through the brightly lit windows of the houses you pass. As you peek inside, you take stock of the occupants’ selections: the mahogany chaise lounge with the curved armrests in one house, the sleek leather couches and minimalist paintings in another

As compared to rural dwellers, urbanites are more stressed and more likely to develop schizophrenia.

MIAMI (Reuters) - Colorado State University's forecasting team on Wednesday maintained its 2011 Atlantic storm season forecast at nine hurricanes, with five of them expected to be major. The research team, founded by hurricane forecast pioneer William Gray, said the six-month hurricane season which started on June 1 would see 16 tropical storms. That was unchanged from its June 1 projection.

By Melissa Gaskill of Nature magazine The 1,000 kilometers of impenetrable barrier constructed along the Mexico-United States border, with the aim of stemming illegal human immigration, is also hampering the movements of animals, including several endangered species, a recent study finds. The species most at risk are those with smaller populations and specialized habitats, says Jesse Lasky, a graduate student at the University of Texas, Austin, and an author on the study, published in Diversity and Distributions