Ever sink your teeth into a delicious bowl of ice cream only to wince in pain due to sensitivity? Maybe you experience this sensation when drinking cold water or biting into a hot meal, too. Welp, you ...

This article was taken from the May issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content ...

7 best whitening toothpastes for brighter teeth, tested by a beauty writer - Your key to wiping out wine stains, yellowing ...