The Gazette: Miracle berry turns a pucker into sweetness

(Chemistry professor Joe Schwarcz's column in Sunday's Gazette): "I needed a couple of human guinea pigs. So I volunteered my teenage daughter Rachel and her friend Eden. (They said I could use their names because they want to be famous.) Their task was a simple one. They were to dissolve a little tablet on their tongue and then suck on a lemon wedge…"