Bottled water may have just gotten a fruity boost with a new, scented push-pull cap. "The taste buds only actually taste four things–sweet, sour, bitter and salt. All other taste is the result of the sense of smell," says the co. Thats why its introduced H2WOW flavor caps–caps that incorporate aromatic qualities. The product relies on a process known as retro-nasal olfaction, which occurs when food and liquids dissolve in the mouth.
