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By Ewen Callaway An experimental gene-therapy treatment for Parkinson's disease has eased the movement problems of a small number of patients and raised no major safety concerns.

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The hydrogen explosions, melting fuel rods and radiation leaks at Japan's Fukushima Daiichi nuclear plant are having an immediate impact on perceptions of nuclear power worldwide, at a time when many countries are earnestly searching for alternatives to fossil fuels. Safety will be a major concern, particularly as emergency workers in Japan continue to battle to keep spent fuel rods stored on site at Fukushima Daiichi from melting down. [More]

Once in Resolute Bay you feel like you are at the edge of the world, your view is of nothing but snow covered hills and sea ice.

The top U.S. nuclear regulator, Gregory Jaczko, gave a dire assessment of Japan's nuclear crisis yesterday, saying that lethal radiation from uncovered spent fuel above one of the reactors could force emergency workers to abandon their fight to prevent meltdowns of damaged reactor cores at the Fukushima Daiichi plant

Los Angeles is known for many things – Hollywood, of course, and glitz. A history of smog and choking traffic. Now comes another distinction

Last week, I spent a pleasant hour over lunch talking to my 60-year-old aunt and her 80-something husband about "this Twitter thing" and how one defines a blog. They had heard that social media had played a role in the protests in Egypt and wanted to learn more. Good students, they nodded and asked questions as I showed them the screens and tools on my computer in a restaurant chosen mostly because it had wi-fi

If you had four pictures of a person at different ages, how would you lay them out in chronological order? As an English speaker, you would almost certainly put childhood scenes on the left and pictures from old age on the right. But if you spoke another language, you might arrange the photos in a column or even from east to west

A new mother’s body goes through many changes--among them, key parts of her brain get bigger, according to research reported in October’s Behavioral Neuroscience .

Serious nuclear incidents that followed Friday's catastrophic Japan earthquake has raised fears of radiation leakage, a weather-dependent matter that could have a far-reaching impact. [More]

By Ewen Callaway A sperm's path to an egg is more a deadly obstacle course than a track sprint. [More]

The African nation of Rwanda recently set a goal of circumcising an estimated two million adult men by the end of 2012 to fight the spread of HIV, and is investigating a new nonsurgical device that is said to allow practitioners to perform the procedure in less than four minutes--without anesthesia. The patent pending PrePex device includes an elastic mechanism that fits around an inner ring, trapping the penis foreskin--the loose fold of skin that covers its glans--which cuts its blood supply

Congress has finally acted on global warming--by denying it exists.

Since a magnitude 9.0 earthquake rocked Japan and set loose a massive tsunami March 11, the Tokyo Electric Power Company (TEPCO) has been scrambling to avert a nuclear disaster at its hardest hit plant. The Fukushima Daiichi nuclear power station, home to six nuclear reactors, has witnessed explosions at three reactors and a fire in a spent-fuel pool at a fourth. At two reactors, units No.

By Marianna Parraga WILLEMSTAD (Reuters) - Lighting up the night sky with flames from its chimneys, Curacao's giant Isla refinery is at the center of an increasingly acrimonious dispute over the island's economic and environmental future. [More]