Thousands-of-years old ‘chewing gum’ – A source of ancient DNA

Researchers at University of Copenhagen have successfully extracted a complete human genome from a 'chewing gum', thousands-of-years old. The team of researchers revealed that it is one of the untapped sources of ancient DNA.

While excavations were going on in Lolland, archaeologists discovered a 5,700-year-old "chewing gum" made out of birch pitch. The team of researchers successfully extracted a totally ancient hu....