“Rethinking Thinking: How Intelligent Are Other Animals?”

Intelligence was once thought to be uniquely human. But researchers have discovered astonishing cognitive abilities in many other species—not just humans’ close cousins like chimps, or fellow mammals like dolphins—but also crows, parrots, and even octopuses. If humans consider the intelligence of swarms, they must add bees, termites, and ants to the list of super smart creatures. These scientists ask: What is intelligence? Why do some species get an extra dose? And just how special are humans, really?