"Students would give the cup a sniff to check it didn't smell of mint or bubble gum," recalls Liz Harris, the university's environmental officer. "It's because so much of the chewing gum sold on ...
An curved arrow pointing right. Bubble gum starts out with gum base, then flavorings and sweeteners are added. When it's all mixed up, it looks like a giant pink monster. The way it's streamlined ...