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Giant Condor Backs Away From Extinction, But Lead Poisoning Threatens
msnbc.com 1 week agoOne of the most endangered species in the world, the California condor, has crept back from the brink of extinction through a strenuous three-decade conservation effort.
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Study Finds We Exercise Half As Much As We Should
wired.com 2 weeks, 5 days agoWe're a nation of fatties, in no small part because we get half as much exercise as we should. The typical American spends just two hours a week exercising, according to researchers at Penn State and the University of Maryland, even though the U.S. Centers for Disease Control and Prevention recommends adults age 18 to 64 get four hours of exercise per week. That could help explain why a separate study by Duke University finds 42 percent of the population could be obese by 2030, adding nearly $550 billion to










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