oranges, or tangerines, must be peeled, while others like guavas, apples, or pears do not have to be peeled. A crate full of peaches. Illustration photo by Unsplash The peels of some fruits ...

(KNUE-FM) Wait, don't throw those orange peels away just yet. Also, kudos for eating a bit of citrus! Heaven knows we all ...

A little squeeze of the fruit's peel can actually create quite a spark if done correctly. Here's a quick look at why orange rinds are so combustible — and how you can pull off this trick yourself.