The only way to know what this ancient DNA did is to bring it back to life.
The study of ancient DNA is still in its troubled youth.
There wouldn't even be a field of ancient DNA as we know it without him.
Shapiro's work has centered on the analysis of ancient DNA.
This has been supplemented and refined by analysis of ancient DNA.
These hypotheses appear to be corroborated by more direct evidence from ancient DNA.
They noted that direct evidence from ancient DNA may be needed to resolve these gene flows.
They've used a new technique to limit the errors in the sequencing of ancient DNA.
"What we're able to do with ancient DNA is really look at evolution," says Cooper.
Genetics, in particular the study of ancient DNA.