Each of the basic tastes, she explained, is perceived by taste buds in a unique region on the tongue: sweet at the tip, salty and sour at the sides, bitter at the back. She gave the girls Q-tips ...

In the mirror I see a smattering of pink bumps—each hiding as many as 15 taste buds apiece—against the ... Bartoshuk zeroed in on the tongue's anatomy. She found that people have different ...