We have dug up quite a lot of artifacts dating from the Stone Age but this might be the first time that we have seen a chewed up tar that could very well be from that era containing human DNA.
Ancient DNA from human bones and teeth have recently revolutionized the study of the past, but many cultures over time did not bury their dead and left no remains to analyze.
Chewing gum could fill in some of the gaps. It could also reveal a wealth of additional information, such as who helped make the Stone Age tools, what they ate, and what bacteria lived in their teeth.
Read more on The Atlantic.
(Image credit: Natalija Kashuba)