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'Biological time capsules': How DNA from cave dirt is revealing clues about early humans and Neanderthals

The last two decades have seen a revolution in scientists' ability to reconstruct the past. This has been made possible through technological advances in the way DNA is extracted from ancient bones ...
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Swedish Researchers Extract Ancient Scandinavians' DNA From a 10,000-Year-Old 'Chewing Gum'

Swedish Researchers Extract Ancient Scandinavians' DNA From a 10,000-Year-Old 'Chewing Gum' Advanced technology has finally allowed experts to analyze DNA from a chewed-up birch bark in Sweden, ...