Hamburgers that turn out to be horse, not beef. Honey sweetened with high-fructose corn syrup. Old, grey olives dipped in copper sulfate solution to make them look fresh and green. Fraudulent foods such as these make up as much as five to ten percent of the offerings on supermarket shelves, according to experts—but which food is most likely to be faked, and what does that tell us about our food system? Join us this episode as we put on our detective hats to investigate food fraud's long history and the cutting-edge science behind food forensics today—as well as what you can do to make sure what's on your plate is what you think it is.