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Health & MedicineChallenges in testing for West Nile virus
The Food and Drug Administration is trying to figure out how blood banks can detect signs of West Nile infection in blood donors and, eventually, test donated blood for the virus itself.
By Janet Raloff -
AnthropologyIceman mummy shares last meals
DNA analyses of food remains from the intestines of a 5,000-year-old mummified man found in Europe's Tyrolean Alps indicate that his last two meals included meat from mountain goats and red deer, as well as wild cereals.
By Bruce Bower -
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This article may be confusing to readers who don’t know the quantitative difference between an ice age and a little ice age, as referred to in the story.