ladies, i will be included at the ripe old age of 28 in the older folks category with the answer to the coke question. I have heard of it being used. Had a teacher put a square of fabric (don't remember what kind) in a class of coke on Monday and by friday it was breaking down. he was also the health teacher. (it was a small school)he wanted to show us what soda really did to our insides. and he also told us that almost all sodas are actually radio active green before the food coloring goes in. gross huh?