Why Animals Are Smarter Than We Think

May 5, 2016

Biologists have studied animal intelligence for years, but primatologist Frans de Waal believes we underestimate exactly how smart they are. He believes humans tend to observe animal behavior with their own exceptionalism in mind. He bridges the dividing line between humans and animals in his new book "Are We Smart Enough to Know How Smart Animals Are?

We speak with de Waal about his research into the evolution of animal intelligence.