CONTENTS: Evolvability  Richard Dawkins  Genomic Imprinting  David Haig  A Full-Force Storm with Gale Winds Blowing  Robert Trivers  What Evolution Is  Ernst Mayr  Genetics Plus Time  Steve Jones  A United Biology  E. O. Wilson  Is Life Analog or Digital?  Freeman Dyson  Life: What a Concept!  Freeman Dyson, J. Craig Venter, George Church, Dimitar Sasselov, Seth Lloyd, Robert Shapiro  The Gene-Centric View: A Conversation  Richard Dawkins, J. Craig Venter  The Nature of Normal Human Variety Armand Marie Leroi  Brains Plus Brawn  Daniel Lieberman  Mapping the Neanderthal Genome  Svante Pääbo  On Biocomputation  J. Craig Venter, Ray Kurzweil, Rodney Brooks  Engineering Biology  Drew Endy  Eat Me Before I Eat You: A New Foe for Bad Bugs  Kary Mullis  Duck Sex and Aesthetic Evolution  Richard Prum  Toxo Robert Sapolsky  The Adjacent Possible Stuart Kauffman (with an introduction by John Brockman)