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.
Ok, I just tried this and it seriously did work. I did it twice on a burner that's had scorch marks for a year or more and they're gone! For anyone as OCD about cleaning as I am, this is a must! I would be prepared to do it at least twice, more if you've got bad burns. This really works!!!
This trick of putting a paper towel in with your salad lettuce will keep it fresh all week long. The paper towel will absorb the moisture, which is the culprit for wilting lettuce. - [27 Ways To Make Your Groceries Last As Long As Possible!!!]