Neolithic people seem to have enjoyed chewing gum just as much as a bored kid in calculus. Their discarded wads are even revealing surprising details on human life as far back as 6,000 years ago. Tar brewed from the bark of a birch tree is the world’s oldest-known synthetic material. Neolithic communities in the European Alps used this malleable, tacky …
Read More »6,000-Year-Old Chewing Gum Reveals Clues on Neolithic Gender Roles : ScienceAlert
