Cover Art: Array of Pigment by Erin Boyle. Original concept by Jón Gústafsson jon.gustafsson@decode.is

Cover Art: Global fertility map illustrating total children born per woman. Data from United Nations World Population Prospects, http://www.un.org/esa/population/publications/wpp2006; map by Erin Boyle.

Cover Art: Kindred II by Charlotte Cornish http://www.charlottecornish.co.uk/From Cambridge Contemporary Art http://www.cambridgegallery.co.uk/

Cover art: Genetic Code EdwardsVenn Diagram by A.W.F. Edwards awfe@cam.ac.ukhttp://www.press.jhu.edu/books/title_pages/3270.htmlSee also p 1061

Cover art by Annie Cavanagh http://www.pharmacy.ac.uk/multimedia.html

Cover art: Briefcase by Annie Pootoogook http://www.dorsetfinearts.com/artists.html From the Guild Shop (Toronto) http://www.craft.on.ca

Cover art: Chaotic Symmetries - Fabric of Life Series #9 Matrix #1 by John Arabolos Assistant Professor of Visual Arts at the University of New Haven http://arabolosart.com Technical production by Jodi Pfister

Cover art: "Culture" and DNA by Nina Bentley (http://www.ninabentley.com) From the exhibition 'Culture and DNA' at the Silvermine Guild Galleries http://www.silvermineart.org

Cover art: Structured Chaos by Tina Blackburn From the exhibition "Culture and DNA" at the Silvermine Guild Galleries http://www.silvermineart.org

Cover art: Culture and DNA by Marjorie Tomchuk http://www.MTomchuk.com From the exhibition 'Culture and DNA' at the Silvermine Guild Galleries http://www.silvermineart.org

Cover art: Fugitives of Destiny Homage to the Cancer Genome Anatomy Project by Tayfun özçelik tozcelik@fen.bilkent.edu.trDiffenbachia leaf produced by Iclal özçelik http://www.scienceconnexion.com

Cover art by Bang Wong Broad Institute of MIT & Harvard bang@broad.mit.edu