An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve human DNA for thousands of years. Using sterilized scalpels and two layers ...
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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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