I have had a low grade curiosity about this since the 1970s, so nice to have it definitively answered (tho I'm a bit sad gum is just plastic now). Next up: cok

I have had a low grade curiosity about this since the 1970s, so nice to have it definitively answered (tho I'm a bit sad gum is just plastic now). Next up: coke and Mentos, and swallowing sunflower seeds (although really this article answered that one implicitly).