From: Carey, James R. and Shripad Tuljapurkar (eds.). Life Span: Evolutionary, Ecological, and Demographic Perspectives, Supplement to Population and Development Review, vol. 29, 2003. New York: Population Council. ©2003 by The Population Council, Inc. All rights reserved. One Dag Hammarskjold Plaza, New York, NY 10017 USA e-mail pubinfo@popcouncil.org www.popcouncil.org Embodied Capital and the Evolutionary Economics of the Human Life Span HILLARD KAPLAN JANE LANCASTER ARTHUR ROBSON