Next time you buy some potato chips, take a look at the list of ingredients. There's a good chance that, right after potatoes, you'll see this: "Sunflower oil."
You might think nothing of it. After all, the sunflower is the state flower of Kansas. Why wouldn't the potato chip industry use this home-grown oil?
But before the sunflower ended up helping to fry potatoes, it had to take a long detour through, of all places, the Soviet Union.
Let's follow this trail from the beginning.