When the acids hit your tongue, they stimulate sour-tasting receptors there, causing that signature puckering reaction. Some sour candies are so potent that they may even cause a slight tingle or ...

Virtual reality could get more realistic thanks to scientists inventing an artificial tongue that can taste flavours, such as sourness and umami ...

A 4-year-old girl says she'll never eat sour Warhead candies again after sneaking 10 of them when her mom was busy working and allegedly burning off part of her tongue. Willow Wright, from ...