I use a weird toothpaste. Most toothpastes come with a spiky mint flavor, and foams up to reach all your teeth’s tiny crevices, but not mine. It contains myrrh and ratanhia extracts, and looks ...
It may only take brushing your teeth to help you feel connected to the cosmos. New research suggests that fluorine, an element in toothpaste, may have been forged billions of years ago inside stars ...
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