Put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda plus one teaspoon of hydrogen peroxide, and half a teaspoon water. Thoroughly mix then brush your teeth for two minutes. Remember to do it once a week until you have reached the results you want. Once your teeth are good and white, limit yourself to using the whitening treatment once every month or two.
How to clean that pesky burnt on food from your glass stovetop. baking soda and vinegar - let it work for 10 - 15 minutes - wipe off with wet cloth - may take another go to get it really clean, and a magic eraser will get off those spots that were really, really, burned on.