Ever wonder how those scratch and sniff stickers manage to pack a punch of aroma into what looks like ordinary paper? The technology behind it is deceptively clever, and has been used everywhere from ...

Remember “scratch and sniff,” the bygone technology behind fragrant children’s stickers and magazine inserts? It has lingered in the nation’s memory for a half-century. Like an insistent odor, some ...

Why should the wonders of scratching-and-sniffing be reserved for those under the legal drinking age? A new wine book has a nice nose and not a hint of snobbery. There’s a secret language spoken in ...