Human DNA Uncovered in Caves Without Bone Remains
(WorldNews Health)

Researchers plan their sediment sampling in the East Chamber of Denisova Cave, Russia. | IAET SB RAS / Sergei Zelensky Scientists have recovered the first ancient human DNA from cave sediments lacking human skeletal remains. The highly sensitive screening technique they applied, reported in the 28 April issue of the journal Science, identified human genetic material from prehistoric sites where Neandertal presence has been proposed - based on the presence of stone tools, for example - but never demonstrated. `There are many prehistoric sites where there are no human remains and where it is unclear...