The best way to clean your oven doesn't involve harsh chemicals. A pumice stone, whether in the form of a scouring stick or ...

The easiest, best way to clean an oven is to use a pumice stone. The pumice stone lifts even the most stubborn stains with ...

While individual aspects, like pumice becoming round in the sea, have been noted before, this is the first time that time-lapse evidence has been used to put such processes on solid ground.