First Published in 2008. Routledge is an imprint of Taylor & Francis, an informa company.

Introduction * One World or Several? * The Nature of Human Natures * Longer? * Stronger? * Smarter? * Happier? * Fairer? * Governable? * Postscript: Choosing our Biological Future * Index

Peter Healey is Associate Fellow at the Institute for Science, Innovation and Society, University of Oxford. Steve Rayner is James Martin Professor of Science and Civilization at the Institute for Science, Innovation and Society, University of Oxford, a member of the Royal Commission on Environmental Pollution, and Honorary Professor of Climate Change and Society, University of Copenhagen.