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.
In a first, scientists recovered human DNA from ancient cave paintings, a breakthrough that could open new ways to investigate prehistoric human activity by enabling caves to act as “genetic archives” ...
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 ...