![Prof Tom Higham working with ancient modern human skeletons](http://static.sciencelearn.org.nz/images/images/000/002/972/full/EVO_ART_01_Evolutionary_research-advancing_our_understanding_of_us_TomW_Skeleton.jpg?1674169331)
Professor Tom Higham working with ancient modern human skeletons from a double burial site at Oberkassel in Bonn, Germany. Tom was part of a team that worked on a renewed programme of accelerator mass spectrometry (AMS) dating for this burial site. The age of the female skeleton was determined as being 13,800–14,000 years old – from the Upper Palaeolithic period.