SO. FREAKING. COOL. 1/4" Mt Dew in bottle, add tiny bit of baking soda and 3 capfuls of hydrogen peroxide. Shake and it glows. Pour on sidewalk to "paint"...Who knew!?
How to get white nails -- make a paste using 1 tbsp peroxide and 2 1/4 tbsp baking soda. Let this paste sit on your nails for 5 minutes and voila! White nails! REMEMBER THIS AFTER USING GREEN NAIL POLISH!