DNA fragments from humans, animals, plants, bacteria and viruses that lived many thousands of years ago can bring forward very useful information, if you are capable of developing advanced algorithms that can compile the genetic information from the fragments into a format that can be understand.
Sciencenews.dk brings an article about the research of Gabriel Renaud, Associate Professor at the Technical University of Denmark, Department of Health Technology, and recipient of a Data Science Ascending Investigator grant. Read it here.