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Our Big Pig Problem

For more than 50 years microbiologists have warned against using antibiotics to fatten up farm animals. The practice, they argue, threatens human health by turning farms into breeding grounds of drug-resistant bacteria. Farmers responded that restricting antibiotics in livestock would devastate the industry and significantly raise costs to consumers.

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Which near-Earth asteroids are ripe for a visit?

In April 2010, amid mounting criticism that his space plan lacked direction, President Barack Obama gave a speech in Florida to lay out a few ambitious goals he had in mind for NASA. The details of how those targets would be met remain somewhat sketchy even today, but the goals themselves were clear--sometime around 2025, the U.S. would perform an unprecedented feat.

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Japan Faces Up to Failure of Its Earthquake Preparations

By David Cyranoski of Nature magazine TOKYO Japan has the world's densest seismometer network, the biggest tsunami barriers and the most extensive earthquake early-warning system. [More]

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Human virus linked to deaths of two endangered mountain gorillas

Human illnesses are being transmitted to critically endangered mountain gorillas, putting these rare animals further at risk, new research shows. Centuries ago, mountain gorillas ( Gorilla beringei beringei ) lived in relative isolation and were rarely seen by people

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U.S. drops to 3rd in clean-energy investment

By Timothy Gardner WASHINGTON (Reuters) - The United States fell one spot to third place in clean-energy investment last year as the lack of a national energy policy hurt purchases in wind and solar power and other technologies, a report said on Tuesday.

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Chemists Turn Used Motor Oil Into Gas

To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to produce oil for lubrication or heating.

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My Big Tall Greek Giant

The Scientific American supplement from December 4th, 1886 featured a drawn reproduction of a photograph taken of Amanab, the “Greek Giant.” Amanab was born in 1868 near Kerassond in Trebizonde--a successor state of the Byzantine Empire located on the Southern shore of the Black Sea. At the time of the article, he was 18 years old and measured 7 feet 9 inches in height, had a head circumference of 26

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Aircraft contrails stoke warming, cloud formation

By Alister Doyle, Environment Correspondent OSLO (Reuters) - Aircraft condensation trails criss-crossing the sky may be warming the planet on a normal day more than the carbon dioxide emitted by all planes since the Wright Brothers' first flight in 1903, a study said on Tuesday.

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"Artificial Leaf" Might Provide Easy, Mobile Energy

An artificial "leaf" that collects energy in much the same way as a natural one could provide a day's worth of power for homes without access to an electricity grid. The leaf, a silicon-based square the size of a playing card, closely mimics the way plants use the process of photosynthesis to create energy. The device is dropped into a bucket of water, or even a muddy puddle, and placed in direct sunlight

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Japan engineers knew tsunami could overrun plant

(Repeats to add PDF link) * Tokyo Electric ignored own study on tsunami risk * Utility decided safety issues, not regulators * Kept vulnerable vent systems despite quake data * Tokyo Electric cited the most for safety violations By Kevin Krolicki, Scott DiSavino and Taro Fuse TOKYO, March 29 (Reuters) - Over the past two weeks, Japanese government officials and Tokyo Electric Power executives have repeatedly described the deadly combination of the most powerful quake in Japan's history and the massive tsunami that followed as "soteigai," or beyond expectations. When Tokyo Electric President Masataka Shimizu apologized to the people of Japan for the continuing crisis at the Fukushima Daiichi nuclear plant he called the double disaster "marvels of nature that we have never experienced before." But a review of company and regulatory records shows that Japan and its largest utility repeatedly downplayed dangers and ignored warnings -- including a 2007 tsunami study from Tokyo Electric Power Co's senior safety engineer.

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Amber Waves of…Ah…ah…Achoo! What you need to know about allergies.

Spring has sprung, the sun is shining, flowers are beginning to bloom, and pollen is in the air. Often thought of as a bright and cheerful season, for many people spring is a season where their heads feel like over-ripe melons, their eyes water, and the tissue industry is kept in business. Many people feel that they may have a perpetual cold that never seems to dissipate that only gets worse in the spring.

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