You walk into a used bookstore, or pull down an old volume at the library, and there it is: The smell of old books. If you detect notes of vanilla in that intoxicating scent, there’s a reason. Also, why some people think the word awesome is...
Nothing like that old-book smell. And if you open up an old volume and think you detect notes of vanilla, there’s a good reason. That intoxicating scent is the result of lignin, a chemical compound in plants used for making paper. It has a...