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New Scientist: Ancient Ancestors had Tummy Bug Too
The stomach-infesting bacterium Helicobacter pylori has been living in humans for at least 11,000 years - much longer than previously thought, say US researchers.
Ancient DNA May be Misleading Scientists
From News in Science. Ancient DNA in skeletons has a tendency to show damage in a particular region resulting in misleading genetic data and mistaken conclusions about the origin of the skeleton British scientists said.
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