It takes tens of thousands of the ground-up insects to make just a pound of the vivid red dye. The red coloring, called carmine, also shows up in food—from red velvet cupcakes to sausages ...

That bright red comes from something else called carmine. Oh, and it's made from ... Greig: It's expensive to make. I mean, it's easier to just make a chemical dye, and this is a very specialized ...