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Odd Bicycles from the Archives, or Ways to Cheat in Cycling Besides Doping

This past Monday, the first doping scandal of the 2011 Tour de France was announced. Russian rider Alexandr Kolobnev tested positive for the diuretic hydrochlorothiazide (used to mask other doping agents) and has since voluntarily left the race while his urine is tested for further substances.

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U.S. Nuclear Plants Not Fully Equipped to Handle Extreme Events

U.S. nuclear plants should be hardened to better withstand earthquakes and other extreme emergencies that could lead to a radioactive release, the Nuclear Regulatory Commission's Japan Task Force has recommended

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Economists Find Flaws in Federal Estimate of Climate Damage

Uncle Sam's estimate of the damage caused by each ton of carbon dioxide is fundamentally flawed and "grossly understates" the potential impacts of climate change, according to an analysis released July 12 by a group of economists.

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Nature’s Nuclear Reactors: The Two Billion Year Old Natural Fission Reactors in Gabon, Western Africa

Two billion years ago-- eons before humans developed the first commercial nuclear power plants in the 1950s-- seventeen natural nuclear fission reactors operated in what is today known as Gabon in Western Africa [Figures 1 and 2]. The energy produced by these natural nuclear reactors was modest. The average power output of the Gabon reactors was about 100 kilowatts, which would power about 1,000 lightbulbs

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Can We Be Trained to Like Healthy Foods?

Our diets are unhealthy, that much is clear. Now, an increasing number of scientists and physicians wonder if our propensity for unhealthy, obesity-inducing eating might be tied to the food choices made during our first weeks and months of life

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Obese Surgical Patients Can Breathe Easier

Obesity is associated with a host of health problems. But a new study finds that obese people may actually have an advantage in a specific medical situation: they’re less likely to die after surgery from certain respiratory complications than are their non-obese counterparts.

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The Science of Arabian Horses

At Al Shaqab in Doha, Qatar, science is bringing a new life to the ancient bloodlines of Arabian horses--the breed that carried historical figures such as Alexander the Great, Genghis Khan, Napoleon and George Washington. [More]

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