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Scientists say they have identified the earliest signs of tooth decay in humans, from the remains of Stone Age teeth found in Morocco. The findings suggest that people living in the area between 13,500 and 15,000 years ago may have been storing and eating plants rich in carbohydrates and sugar, several thousand years earlier than previously thought. Jim Drury has more.
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AP (May 12, 2014) The Washington Monument is reopening to the public, 33 months after an earthquake damaged the 130-year-old stone obelisk. After a morning ceremony, the 555-foot stone monument that was once the ... watch video
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Aug. 27, 2015 WHRC scientists have counseled the State Department on policies that could control permafrost thaw, including reducing global carbon emissions from fossil fuel use and deforestation, and limiting ... read more
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Jan. 14, 2014 A diet rich in starchy foods may have led to high rates of tooth decay in ancient hunter-gatherers, according to a new study that challenges the long-held view that dental disease was linked to the ... read more
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