You are not what you think you are. New research is transforming how we understand ourselves-from a singular self to a vast cooperative, co-dependent and collaborative network of cellular environments and ecologies-a microcosm within. From this unique perspective, a startling revision of evolutionary theory unfurls. Sharply reasoned and certain to be controversial, The Microcosm Within takes its readers on a sweeping scientific journey that reorganizes our thinking about our biological selves, evolution, and extinction.

Darwin has dominated evolution for over a century. But many issues...