As we may live / Vint Cerf -- A revolution in medicine / Francis S. Collins -- A tiny dot in cosmic time : a big period in human time / George F. Smoot -- What's ahead : figures don't lie? / Christian de Duve -- What a climatologist cannot know about the next 50 years (but what he does believe) / John R. Christy -- No more heart disease / Louis J. Ignarro -- The end of psychiatric illnesses / E. Fuller Torrey -- Simon Caplan's day / Arthur Caplan -- Fifty years from now : today's baby reaches middle age / Wanda Jones -- Blogging from the future / Craig Newmark -- Progress accelerates exponentially / Ray Kurzweil -- An economist predicts / Thomas C. Schelling -- Diary entry : 2058 / Chandrasekhar (Spike) Narayan -- Deciphering the mega-trends / James E. Cartwright -- The way we will be 50 years from today? / Jody Williams -- The era of great change is coming / Kim Dae-jung -- The future of crime / Ronald Noble -- The future of food / Norman E. Borlaug -- What does it mean to be human? / Richard Clarke -- A brain scientist's perspective / Richard Restak -- In harmony with earth's water cycle / Sandra Postel -- How will science transform human society? / Gerardus 't Hooft -- Where are all the robots? / Shigeo Hirose -- Wind farming in Pollyanna land / Peter Doherty -- Letters to my grandchildren and great-grandchildren / Stuart L. Pimm -- Future cars and the jetsons / Malcolm Bricklin -- A world without borders / Abdulla Salem El-Badri -- Technology, security, and liberty in 50 years / Lee H. Hamilton -- Our place in the universe / Steven Beckwith -- Snapshot of a world with the new nation of California / Tim Mack -- Our children, our future / Marian Wright Edelman -- Landscapes and living conditions / Valli Moosa -- Go green by thinking blue / Leon E. Panetta and James D. Watkins -- The paradox / Aaron Ciechanover -- The transformation / Elias A. Zerhouni -- A world without breast cancer / Nancy G. Brinker -- Hope for people with brain diseases / Stanley B. Prusiner -- A physician's view of the future / Victor Sidel -- Clean energy for progress / Claude Mandil -- CO2 for good / Nancy Ho -- To open the world to all people / Michael Shermer -- The view as I glide by / Joseph L. Bryant -- One Tuesday in Australia / Barry Marshall -- Wake-up call on global warming / Carl Pope, Daniel Becker, and Allison Forbes -- Dateline : 50 years into the future / Keith B. Richburg -- Leaps and eurekas / Gregory A. Poland -- Snapshots of the future with infectious disease : living in a brave new world with age-old scourges / Earl G. Brown -- The age of the global citizen / Carol Bellamy -- Some words from "Dr. Future" / James Canton -- Some warnings, some worries, and a call for leadership / Douglas Osheroff -- How our knowledge will increase / Lyman Page -- "We will have learned our lesson" / Carol M. Browner -- The future of the soul / Richard Dawkins -- A bird's-eye view of the next 50 years / Peter Marra -- Global climate change and our children / Nsedu Obot-Witherspoon -- A way back to wilderness / William H. Meadows -- Future world : the bad, the good, and the ugly / Lawrence M. Krauss -- Always so much more to discover / John C. Mather -- Startling advances and what stays the same / Ahmed H. Zewail -- The earth in 50 years : rescue or ruin? / Ross Gelbspan.