What Darwin Got Wrong

What Darwin Got Wrong 1

Courtesy of Jonathan B. Losos

The author, arranging an experiment on evolutionary ecology, sizes up an uninhabited stretch of Great Abaco Island, in the Bahamas.

Biologists have learned that it usually doesn't pay to bet against Darwin, yet year after year, my colleagues and I return to the warm breezes of the Bahamas to study the evolutionary adaptation of lizards to novel environmental pressures­—as it takes place in nature, in the present moment. And we're not alone. Today studies of evolution in action have become a cottage industry. In the mountains of Trinidad, for example, a multidisciplinary team is