We have no souls / John Horgan -- Rejection of soul / Paul Bloom -- Evolution of evil / David Buss -- Differences between humans and nonhumans are quantitative, not qualitative / Irene Pepperberg -- Groups of people may differ genetically in their average talents and temperaments / Steven Pinker -- Genetic basis of human behavior / J. Craig Venter -- Marionettes on genetic strings / Jerry Coyne -- Francis Crick's dangerous idea / V.S. Ramachandran -- Being alone in the universe / Rodney Brooks -- Life as an agent of energy dispersal / Scott D. Sampson -- We are entirely alone / Keith Devlin -- Science may be running out of control / Martin Rees -- Why I hope the standard model is wrong about why there is more matter than antimatter / Frank J. Tipler -- Idea that we understand plutonium / Jeremy Bernstein -- Idea that we should all share our most dangerous ideas / W. Daniel Hillis -- Idea that ideas can be dangerous / Daniel Gilbert -- Fight against global warming is lost / Paul C.W. Davies -- Think outside the Kyoto box / Gregory Benford -- Our planet is not in peril / Oliver Morton -- Effect of art can't be controlled or anticipated / April Gornik -- A "grand narrative" / Denis Dutton -- Our universal moral grammar's immunity to religion / Marc D. Hauser -- Bertrand Russell's dangerous idea / Nicholas Humphrey -- Hodgepodge morality / David Pizarro -- We will understand the origin of life within the next five years / Robert Shapiro -- Understanding molecular biology without discovering the origins of life / George Dyson -- Problem with super mirrors / Marco Iacoboni -- Cyberdisinhibition / Daniel Goleman -- Brains cannot become minds without bodies / Alun Anderson -- What are people well informed about in the information age? / David Gelernter -- More anonymity is good / Kevin Kelly -- A new golden age of medicine / Paul W. Ewald -- Using medications to change personality / Samuel Barondes -- Drugs may change the patterns of human love / Helen Fisher -- A marriage option for all / David G. Myers -- Choosing the sex of one's child / Diane F. Halpern -- Idea of ideas / Seth Lloyd -- Human brain will never understand the universe / Karl Sabbagh -- World may be fundamentally inexplicable / Lawrence M. Krauss -- The "landscape' / Leonard Susskind -- Seeing Darwin in the light of Einstein ; Seeing Einstein in the light of Darwin / Lee Smolin -- Multiverse / Brian Greene -- What twentieth-century physics says about the world might be true / Carlo Rovelli -- It's a matter of time / Paul Steinhardt -- A radical re-evaluation of the character of time / Piet Hut -- It's OK not to know everything / Marcelo Gleiser -- End of insight / Steven Strogatz -- When will the Internet become aware of itself? / Terrence Sejnowski -- Democratizing access to the means of invention / Neil Gershenfeld -- Mind is a universally distributed quality / Rudy Rucker -- Forbidden fruit intuition / Thomas Metzinger -- Posterior probability of any particular god is pretty small / Philip W. Anderson -- Science must destroy religion / Sam Harris -- Self is a conceptual chimera / John Allen Paulos -- Greatest story every told / Carolyn C. Porco -- Science as just another religion / Jordan Pollack -- This is all there is / Robert R. Provine -- A science of the divine? / Stephen M. Kosslyn -- Science will never silence god / Jesse Bering -- Religion is the hope that is missing in science / Scott Atran -- Myths and fairy tales are not true / Todd E. Feinberg -- Parental licensure / David Lykken -- Zero parental influence / Judith Rich Harris -- Focus on emotional intelligence / John Gottman -- A cacophony of "controversy" / Alison Gopnik -- Applied history / Stewart Brand -- Tribal peoples often damage their environments and make war / Jared Diamond -- Nothing / Charles Seife -- Everything is pointless / Susan Blackmore -- There aren't enough minds to house the population explosion of memes / Daniel C. Dennett -- Unspeakable ideas / Randolph M. Nesse -- Anty gravity : chaos theory in an all-too-practical sense / Kai Krause -- Navigating by new scientific principles / Rupert Sheldrake -- A political system based on empathy / Simon Baron-Cohen -- Social relativity / Tor Nørrtranders -- There is something new under the sun, us / Gregory Cochran -- A spoon is like a headache / Donald D. Hoffman -- Projection of the longevity curve / Gerald Holton -- Near-term inevitability of radical life extension and expansion / Ray Kurzweil -- Domestication of biotechnology / Freeman J. Dyson -- Public engagement in science and technology / Philip Campbell -- Suppose Faulkner was right? / Joel Garreau -- What if the unknown becomes known and is not replaced with a new unknown? / Eric Fischl -- Where goods cross frontiers, armies won't / Michael Shermer -- Government is the problem, not the solution / Matt Ridley -- Free market / Mihaly Csikszentmihalyi -- Modern science is a product of biology / Arnold Trehub -- No more teacher's dirty looks / Roger C. Schank -- We are all virtual / Clifford Pickover -- Runaway consumerism explains the Fermi paradox / Geoffrey Miller -- Simulation versus authenticity / Sherry Turkle -- Culture is natural / Dan Sperber -- Human brain is a cultural artifact / Timothy Taylor -- Free will is exercised unconsciously / Eric R. Kandel -- Free will is going away / Clay Shirky -- Limits of introspection / Mahzarin R. Banaji -- What we know may not change us / Barry C. Smith -- Telling more than we can know / Richard E. Nisbett -- Quick-thinking zombies inside us / Andy Clark -- Banality of evil, the banality of heroism / Philip G. Zimbardo -- Open-source currency / Douglas Rushkoff -- Is the West already on a downhill course? / David Bodanis -- Technology can untie the United States / Juan Enriquez -- Democracy may be on its way out / Haim Harari -- Marx was right : the state will evaporate / James O'Donnell -- Following Sisyphus / Howard Gardner -- How can I trust, in the face of so many unknowables? / Ernst Pöppel -- A twenty-four-hour period of absolute solitude / Leo M. Chalupa