33 – Inside Silicon Valley's Race to the Best Fake Meat

Scientists and entrepreneurs have taken vegetables to a whole new level by devising futuristic proteins that may finally be tasty enough to convince carnivores. Jenny takes you on a tour of a few of these start-ups and their plans to scale up, and then heads inside a special college class aimed at making fake meat better. Then Kiera interviews Dr. Andrew Freeman, a cardiologist who has started recommending a plant-based diet to his patients.