OFF TO SEE THE WIZARD

Rapeseed sounds so wrong. Which is probably why, in America, the product it provides us with is most often referred to as Canola. Canola is only one kind of rapeseed, however, and the name is made up. Canola was developed in Canada and its name is a contraction of “Canadian oil, low acid.” Rapeseed is the third most important source of vegetable oil in the world, after soybean and palm oil. During the past twenty years, it has passed peanut, cottonseed, and most recently, sunflower, in worldwide production. But it’s used in lots of other products, many of them non-food-based....