Dropping Mentos into a two-liter of Diet Coke is the oldest trick in the book (it even has its own Wikipedia page!) You already know exactly what will happen, but it's still exciting every time. If ...

You know what never let us down as a kid? Science! Whether it was Bill Nye rocking an experiment on TV, or taking it upon ourselves to shove some Mentos into Diet Coke bottles, science kept us ...