What are the mechanics of evolution? What is the force behind diversity and the proliferation of the species? Why does nature never stop inventing new forms of life? What is the effect of great catastrophes on the evolution of the species? What is the real effect of human action on nature?

A professor at Harvard University, Edward O. Wilson is one of the most important theoricians of biological evolution. He is also one of the most ardent lobbyists for the preservation of nature.