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Trees May Grow 500 Kilometers Farther North by 2100

By Alister Doyle, Environment Correspondent OSLO (Reuters) - Trees in the Arctic region may grow 500 km (300 miles) further north by 2100 as climate change greens the barren tundra and causes sweeping change to wildlife, a leading expert said. [More]

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HIV May Be Culprit in Spread of Measles

Measles has been all but eradicated in the developed world, but it still claims more than 160,000 lives in developing countries. Sub-Saharan Africa, in particular, has been hit hard in the past few years.

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Fukushima reactor has a hole, leading to leakage

By Yoko Kubota and Scott DiSavino TOKYO/NEW YORK (Reuters) - One of the reactors at Japan's crippled Fukushima nuclear power plant has a hole in its main vessel following a meltdown of fuel rods, leading to a leakage of radioactive water, its operator said on Thursday. [More]

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U.S. Investigates Safety of Natural Gas "Fracking"

By Nicola Jones of Nature magazine When audiences saw dramatic scenes of people setting their tap water on fire in the Oscar-nominated documentary Gasland, hydraulic fracturing, or "fracking," was thrown into the spotlight. [More]

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Plants Versus Photovoltaics: Which Are Better to Capture Solar Energy?

For capturing the sun's copious energy, there are basically two available engineering models: photovoltaic (PV) cells that turn it into flowing electrons or photosynthetic plants that turn it into plant food. So which does the job better? After all, such a judgment might help inform whether policymakers pursue biofuels or solar electricity

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Vile: Illegal Trade in Bear Bile Flourishes throughout Asia

The sale of bear bile for use in traditional medicine is rampant throughout 12 Asian countries, despite national and international laws banning or limiting the practice, according to a new report from TRAFFIC International, the wildlife trade monitoring network. Bile, also known as gall, is a fluid produced in the liver and stored in the gall bladder to help with digestion.

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Flying in the Coffin Corner–Air France Flight 447

When Air France Flight 447 disappeared in June 2009, it was in the middle of the tropical Atlantic and had likely entered a mesoscale convective complex , a system of strong thunderstorms thought to have been at least four storms deep along 447's flight path. Flight 447 was also flying at a cruise altitude of 35,000 feet, an altitude where the relationship between an aircraft's stall speed and the speed of sound has gained the name "the coffin corner"

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