Hog Genius

S1 E2: Right now, around one billion pigs patrol the planet, flourishing on every continent except Antarctica. They’re a significant part of our diet, a critical player in modern medicine, and one of the smartest animals in the barn. Pigs open a window into human anatomy and even our emotional lives. National Geographic joins scientists who are researching pigs in surprising new ways, revealing the brilliance behind one of man’s smartest and tastiest friends.