By Christine Hsu | Nov 20, 2012 05:34 PM EST
Greenland's ancient Viking settlers may have dined mostly on seals, a new isotopic analysis of Norse skeletons revealed.
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Smoking Alcohol? Doctors Warn Calorie-Conscious Trend Is Extremely Dangerous [VIDEO]
Scientist Claim To Uncover What Causes Cancer Spread; Metastasis Explanation Could Lead To Cure
Epistaxis: What Causes Nosebleeds And How You Can Stop Them
Headless Cat Robots, Built For Exploration, Could Rescue Coal Miners In Future [Video]