At a supermarket in Moscow, rows of neatly stacked shelves display rice, peanuts, chana, teas, coffee, spices, and more. At first glance, the Cyrillic script on the labels makes them seem local — but ...

You just need to pop the grains into the freezer right after you buy them. Leave them there for a week — or for good — and it’ll kill any maturing creatures inside the package. Baldwin agrees, ...