An original radio drama called "Kathleen on the Carpet," in which animals talk and hold their own "animal court." It's a comedy by David Sedaris, starring our own radio theater company, the Pinetree Gang.
This American Life contributor Paul Tough visits Catherine Chalmers. She raises small animals and insects in her apartment, feeds them to each other, and photographs them eating each other.
Anthropologists agree that humans stopped being animals when they started walking upright, on two legs. But scientists don't agree on why our ancestors did this.