#438 Big Chicken
We eat a lot of chicken. But we didn't used to. What changed? In part, what changed was the discovery that antibiotics could build a bigger, better chicken. Now, the big chicken may be suffering the results of too much medicine. This week, we hear from science journalist Maryn McKenna about her new book "Big Chicken: The Incredible Story of How Antibiotics Created Modern Agriculture and Changed the Way the World Eats." We'll also hear…