It is also possible that people may have chewed it just because ... Several decades ago, samples of ancient chewing gum with visible 10,000-year-old tooth marks were found in Sweden.
As much as you chew it, gum doesn't break up into smaller pieces. Because it's gum. Duh. Gum has been around for much longer than you'd think. Ancient Mayans and Aztecs harvested resin from the ...
Thanks to the tooth marks she left in ancient "chewing gum", scientists were able to obtain ... and the archaeological finds suggest that the people who occupied the site were heavily exploiting ...
She realised that chewing gum, even once it has been finished with, is a versatile and potentially useful material. But how do you persuade people to donate their gum - instead of carelessly ...