Demo of augmented-reality maps: Demo of software building augmented reality into searchable maps

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Political change with pen and paper: Politicians are strange creatures, says politician Omar Ahmad. And the best way to engage them on your pet issue is a monthly handwritten letter. Ahmad shows why old-fashioned correspondence is more effective than email, phone or even writing a check -- and shares the four simple steps to writing a letter that works.

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How to combat modern slavery: In this moving yet pragmatic talk, Kevin Bales explains the business of modern slavery, a multibillion-dollar economy that underpins some of the worst industries on earth. He shares stats and personal stories from his on-the-ground research -- and names the price of freeing every slave on earth right now.

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Intricate beauty by design: In graphic design, Marian Bantjes says, throwing your individuality into a project is heresy. She explains how she built her career doing just that, bringing her signature delicate illustrations to storefronts, valentines and even genetic diagrams.

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How I fell in love with a fish: Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu. With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's enjoyed since discovering an outrageously delicious fish raised using a revolutionary farming method in Spain.

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HIV and flu - the vaccine strategy: Smart advances in vaccine design, production and distribution are bringing us closer than ever to eliminating a host of global threats -- from AIDS to malaria to flu pandemics.

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The year open data went worldwide: At TED University in 2010, Berners-Lee shows a few of the interesting results when raw data from governments, scientists and institutions gets linked up.

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Debate: Does the world need nuclear energy?: Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A discussion that'll make you think -- and might even change your mind.

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How architecture helped music evolve: As his career grew, David Byrne went from playing CBGB to Carnegie Hall. He asks: Does the venue make the music? From outdoor drumming to Wagnerian operas to arena rock, he explores how context has pushed musical innovation.

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The next age of government: The leader of Britain's Conservative Party says we're entering a new era -- where governments themselves have less power (and less money) and people empowered by technology have more. Tapping into new ideas on behavioral economics, he explores how these trends could be turned into smarter policy.

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Before Avatar ... a curious boy: James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how it ultimately drove the success of his blockbuster hits "Aliens," "The Terminator," "Titanic" and "Avatar."

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The hidden influence of social networks: We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits -- from happiness to obesity -- can spread from person to person, showing how your location in the network might impact your life in ways you don't even know.

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And now, the real news: How many of today's headlines will matter in 100 years? 1000? Kirk Citron's "Long News" project collects stories that not only matter today, but will resonate for decades -- even centuries -- to come. At TED2010, he highlights recent headlines with the potential to shape our future.

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Measuring what makes life worthwhile: When the dotcom bubble burst, hotelier Chip Conley went in search of a business model based on happiness. In an old friendship with an employee and in the wisdom of a Buddhist king, he learned that success comes from what you count.

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Legos for grownups: Lego blocks: playtime mainstay for industrious kids, obsession for many (ahem!) mature adults. Hillel Cooperman takes us on a trip through the beloved bricks' colorful, sometimes oddball grownup subculture, featuring CAD, open-source robotics and a little adult behavior.

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"Love Is a Loaded Pistol": For his first studio album release in decades, musical innovator Thomas Dolby has been composing music in the uniquely inspirational setting of a restored life-boat. Here he premieres a gorgeous, evocative song from that album -- about one night with a legend. He's backed by members of the modern string quartet Ethel.

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Every pollen grain has a story: Pollen goes unnoticed by most of us, except when hay fever strikes. But microscopes reveal it comes in stunning colors and shapes -- and travels remarkably well. Jonathan Drori gives an up-close glimpse of these fascinating flecks of plant courtship.

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Social experiments to fight poverty: Alleviating poverty is more guesswork than science, and lack of data on aid's impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it's possible to know which development efforts help and which hurt -- by testing solutions with randomized trials.

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Carter Emmart demos a 3D atlas of the universe : For the last 12 years, Carter Emmart has been coordinating the efforts of scientists, artists and programmers to build a complete 3D visualization of our known universe. He demos this stunning tour and explains how it's being shared with facilities around the world.

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Is Pivot a turning point for web exploration?: Gary Flake demos Pivot, a new way to browse and arrange massive amounts of images and data online. Built on breakthrough Seadragon technology, it enables spectacular zooms in and out of web databases, and the discovery of patterns and links invisible in standard web browsing.

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Innovating to zero: At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary goal? Zero carbon emissions globally by 2050.

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The world needs all kinds of minds: Temple Grandin, diagnosed with autism as a child, talks about how her mind works -- sharing her ability to "think in pictures," which helps her solve problems that neurotypical brains might miss. She makes the case that the world needs people on the autism spectrum: visual thinkers, pattern thinkers, verbal thinkers, and all kinds of smart geeky kids.

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Music is medicine, music is sanity: Robert Gupta, violinist with the LA Philharmonic, talks about a violin lesson he once gave to a brilliant, schizophrenic musician -- and what he learned. Called back onstage later, Gupta plays his own transcription of the prelude from Bach's Cello Suite No. 1.

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Science can answer moral questions: Questions of good and evil, right and wrong are commonly thought unanswerable by science. But Sam Harris argues that science can -- and should -- be an authority on moral issues, shaping human values and setting out what constitutes a good life.

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Why I'm a weekday vegetarian: We all know the arguments that being vegetarian is better for the environment and for the animals -- but in a carnivorous culture, it can be hard to make the change. Graham Hill has a powerful, pragmatic suggestion: Be a weekday veg.

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Four ways to fix a broken legal system: The land of the free has become a legal minefield, says Philip K. Howard -- especially for teachers and doctors, whose work has been paralyzed by fear of suits. What's the answer? A lawyer himself, Howard has four propositions for simplifying US law.

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Debate: Does the world need nuclear energy?: Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A discussion that'll make you think -- and might even change your mind.

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Don't build your home, grow it: TED Fellow and urban designer Mitchell Joachim presents his vision for sustainable, organic architecture: eco-friendly abodes grown from plants and event meat.

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The riddle of experience vs. memory: Using examples from vacations to colonoscopies, Nobel laureate and founder of behavioral economics Daniel Kahneman reveals how our "experiencing selves" and our "remembering selves" perceive happiness differently. This new insight has profound implications for economics, public policy -- and our own self-awareness.

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How poachers became caretakers: In his home of Namibia, John Kasaona is working on an innovative way to protect endangered animal species: giving nearby villagers (including former poachers) responsibility for caring for the animals. And it's working.

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Five lives of an artist: With endearing honesty and vulnerability, Raghava KK tells the colorful tale of how art has taken his life to new places, and how life experiences in turn have driven his multiple reincarnations as an artist -- from cartoonist to painter, media darling to social outcast, and son to father.

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Photos that changed the world : Photographs do more than document history -- they make it. At TED University, Jonathan Klein of Getty Images shows some of the most iconic, and talks about what happens when a generation sees an image so powerful it can't look away -- or back.

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A new traffic sign: Take Turns: Fifty percent of traffic accidents happen at intersections. Gary Lauder shares a brilliant and cheap idea for helping drivers move along smoothly: a new traffic sign that combines the properties of "Stop" and "Yield" -- and asks drivers to be polite.

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Can we eat to starve cancer?: William Li presents a new way to think about treating cancer and other diseases: anti-angiogenesis, preventing the growth of blood vessels that feed a tumor. The crucial first (and best) step: Eating cancer-fighting foods that cut off the supply lines and beat cancer at its own game.

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The fight to end rare-animal trafficking in Brazil: Biologist Juliana Machado Ferreira, a TED Senior Fellow, talks about her work helping to save birds and other animals stolen from the wild in Brazil. Once these animals are seized from smugglers, she asks, then what?

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Fractals and the art of roughness: Mathematics legend Benoit Mandelbrot develops a theme he first discussed at TED in 1984 -- the extreme complexity of roughness, and the way that fractal math can find order within patterns that seem unknowably complicated.

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Gaming can make a better world: Games like World of Warcraft give players the means to save worlds, and incentive to learn the habits of heroes. What if we could harness this gamer power to solve real-world problems? Jane McGonigal says we can, and explains how.

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Natalie Merchant sings old poems to life: Natalie Merchant sings from her new album, "Leave Your Sleep." Lyrics from near-forgotten 19th-century poetry pair with her unmistakable voice for a performance that brought the TED audience to its feet.

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Building green: In a short, funny, data-packed talk at TED U, Catherine Mohr walks through all the geeky decisions she made when building a green new house -- looking at real energy numbers, not hype. What choices matter most? Not the ones you think.

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Could this laser zap malaria?: Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.

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Life science in prison: Nalini Nadkarni challenges our perspective on trees and prisons -- she says both can be more dynamic than we think. Through a partrnership with the state of Washington, she brings science classes and conservation programs to inmates, with unexpected results.

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Inside a school for suicide bombers: How does the Taliban convince children to become suicide bombers? Propaganda footage from a training camp is intercut with her interviews of young camp graduates. A shocking vision.

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TED Prize wish: Teach every child about food: Sharing powerful stories from his anti-obesity project in Huntington, W. Va., TED Prize winner Jamie Oliver makes the case for an all-out assault on our ignorance of food.

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Sex, drugs and HIV -- let's get rational: Armed with bracing logic, wit and her "public-health nerd" glasses, Elizabeth Pisani reveals the myriad of inconsistencies in today's political systems that prevent our dollars from effectively fighting the spread of HIV. Her research with at-risk populations -- from junkies in prison to sex workers on the street in Cambodia -- demonstrates the sometimes counter-intuitive measures that could stall the spread of this devastating disease.

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The case for anonymity online: The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet "memes" it has launched, and the incident in which its users managed a very public, precision hack of a mainstream media website. The talk raises questions about the power -- and price -- of anonymity.

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Bring on the learning revolution: In this poignant, funny follow-up to his fabled 2006 talk, Sir Ken Robinson makes the case for a radical shift from standardized schools to personalized learning -- creating conditions where kids' natural talents can flourish.

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Suspended animation is within our grasp: Mark Roth studies suspended animation: the art of shutting down life processes and then starting them up again. It's wild stuff, but it's not science fiction. Induced by careful use of an otherwise toxic gas, suspended animation can potentially help trauma and heart attack victims survive long enough to be treated.

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The lost art of democratic debate: Democracy thrives on civil debate, Michael Sandel says -- but we're shamefully out of practice. He leads a fun refresher, with TEDsters sparring over a recent Supreme Court case (PGA Tour, Inc. v. Martin) whose outcome reveals the critical ingredient in justice.

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Planning for the end of oil: Richard Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil. Toward ... what?

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The pattern behind self-deception : Michael Shermer says the human tendency to believe strange things -- from alien abductions to dowsing rods -- boils down to two of the brain's most basic, hard-wired survival skills. He explains what they are, and how they get us into trouble.

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Let's simplify legal jargon: Tax forms, credit agreements, healthcare legislation: They're crammed with gobbledygook, says Alan Siegel, and incomprehensibly long. He calls for a simple, sensible redesign -- and plain English -- to make legal paperwork intelligible to the rest of us.

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How to start a movement : With help from some surprising footage, Derek Sivers explains how movements really get started. (Hint: it takes two.)

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Julia Sweeney has "The Talk" : Despite her best efforts, comedian Julia Sweeney is forced to tell a little white lie when her 8-year-old begins learning about frog reproduction -- and starts to ask some very smart questions.

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The danger of science denial: Vaccine-autism claims, "Frankenfood" bans, the herbal cure craze: All point to the public's growing fear (and, often, outright denial) of science and reason, says Michael Specter. He warns the trend spells disaster for human progress.

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How YouTube thinks about copyright: Stewart talks about how the ubiquitous video site works with copyright holders and creators to foster (at the best of times) a creative ecosystem where everybody wins.

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The bio-future of joint replacement : Arthritis and injury grind down millions of joints, but few get the best remedy -- real biological tissue. Kevin Stone shows a treatment that could sidestep the high costs and donor shortfall of human-to-human transplants with a novel use of animal tissue.

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What adults can learn from kids: Child prodigy Adora Svitak says the world needs "childish" thinking: bold ideas, wild creativity and especially optimism. Kids' big dreams deserve high expectations, she says, starting with grownups' willingness to learn from children as much as to teach.

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Julia Sweeney has "The Talk" : Despite her best efforts, comedian Julia Sweeney is forced to tell a little white lie when her 8-year-old begins learning about frog reproduction -- and starts to ask some very smart questions.

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In the Internet age, dance evolves: The LXD (the Legion of Extraordinary Dancers) electrify the TED2010 stage with an emerging global street-dance culture, revved up by the Internet. In a preview of Jon Chu’s upcoming Web series, this astonishing troupe show off their superpowers.

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The future of UI: "Minority Report" science adviser and inventor John Underkoffler demos g-speak -- the real-life version of the film's eye-popping, tai chi-meets-cyberspace computer interface. Is this how tomorrow's computers will be controlled?

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Lies, damned lies and statistics (about TEDTalks): In a brilliantly tongue-in-cheek analysis, Sebastian Wernicke turns the tools of statistical analysis on TEDTalks, to come up with a metric for creating "the optimum TEDTalk" based on user ratings. How do you rate it? "Jaw-dropping"? "Unconvincing"? Or just plain "Funny"?

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Toward a science of simplicity: Simplicity: We know it when we see it -- but what is it, exactly? In this funny, philosophical talk, George Whitesides chisels out an answer.

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Computing a theory of everything: Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational -- able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the physics underlying the universe.

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Build a tower, build a team: Tom Wujec presents some surprisingly deep research into the "marshmallow problem" -- a simple team-building exercise that involves dry spaghetti, one yard of tape and a marshmallow. Who can build the tallest tower with these ingredients? And why does a surprising group always beat the average?

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