Of all species that have ever existed on earth, only one has reached human levels of intelligence and social organisation: us. Why? In Genesis, celebrated biologist Edward O. Wilson traces the great transitions of evolution, from the origin of life to the invention of sexual reproduction to the development of language itself.

The only way for us to fully understand human behaviour, Wilson argues, is to study the evolutionary histories of nonhuman species. Of these, he demonstrates that at least seventeen - from the African naked mole rat and the sponge-dwelling shrimp to one of the oldest...