Cochineals are tiny bugs that live on prickly pear cactuses. The acid in their guts makes a red dye used in textiles, cosmetics, and foods like M&Ms and Yoplait yogurt. Indigenous people across ...

Some bugs are in our food because, well, we put them there. If you think it's fruit that turns this strawberry yogurt red, think again ... you have to farm these little bugs, and collect billions ...