Detailed text transcripts for TV channel - DW - 20181009:04:47:00
A custom still practiced in congo in the one nine hundred fifty s. to determine the origin of this cranial modification the researchers looked at d.n.a. evidence for i mean you're a number of years ago we realized that we need to patrol part of the temporal bone the inner part of the skull which contains a lot of d.n.a. we've been able to get lots of information from it and. it's a nice name but first we take a sample of bone from the skull and try to extract d.n.a. from it we then use a special process to copy the d.n.a. in the past we could only see four hundred base pairs but with new so-ca...