We're sorry in advance if we've just ruined your appetite. But, the rumors are true: There might be small amounts of beaver butt goo in some of our favorite gummy candies, ice creams, sodas and baked goods. Don't worry though, it's safe. For the past 80 years, we've been using the "brown slime" emitted from beavers as a way to add vanilla, strawberry and raspberry flavors to some of our favorite foods. How exactly does this work? Beavers emit the chemical compound castoreum from their castor sacs. The sacs are located under the animal's tail and are secreted when they...