Working for Food and Space Pizza

Many animals prefer performing tasks to get food — called "contrafreeloading" - over just getting food for free. But there are two major mammals that buck that trend. Can you guess what they are? Jeff and Anthony discuss effort and sustenance. Then, is eating in space boring? No anymore! NASA has been experimenting with oven on the ISS, allowing astronauts to bake pizza and cookies! Anthony and Jeff dive into the science behind space baking.