Roger Doiron: My subversive (garden) plot

TEDxDirigo

Roger Doiron: My subversive (garden) plot


A vegetable garden can do more than save you money -- it can save the world. In this talk, Roger Doiron shows how gardens can re-localize our food and feed our growing population.

Ramona Pierson: An unexpected place of healing

TEDxDU 2011

Ramona Pierson: An unexpected place of healing


When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. In this talk, she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home. (Filmed at TEDxDU.)

Homaro Cantu + Ben Roche: Cooking as alchemy

TED2011

Homaro Cantu + Ben Roche: Cooking as alchemy


Homaro Cantu and Ben Roche come from Moto, a Chicago restaurant that plays with new ways to cook and eat food. But beyond the fun and flavor-tripping, there's a serious intent: Can we use new food technology for good?

Pavan Sukhdev: Put a value on nature!

TEDGlobal 2011

Pavan Sukhdev: Put a value on nature!


Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature's banker -- assessing the value of the Earth's assets. Eye-opening charts will make you think differently about the cost of air, water, trees ...

Quyen Nguyen: Color-coded surgery

TEDMED 2011

Quyen Nguyen: Color-coded surgery


Surgeons are taught from textbooks which conveniently color-code the types of tissues, but that's not what it looks like in real life -- until now. At TEDMED Quyen Nguyen demonstrates how a molecular marker can make tumors light up in neon green, showing surgeons exactly where to cut.

Monika Bulaj: The hidden light of Afghanistan

TEDGlobal 2011

Monika Bulaj: The hidden light of Afghanistan


Photographer Monika Bulaj shares powerful, intimate images of Afghanistan -- of home life, of ritual, of men and women. Behind the headlines, what does the world truly know about this place?

David Damberger: What happens when an NGO admits failure

TEDxYYC

David Damberger: What happens when an NGO admits failure


International aid groups make the same mistakes over and over again. David Damberger uses his own engineering failure in India to call for the development sector to publicly admit, analyze, and learn from their missteps. (Filmed at TEDxYYC.)

Klaus Stadlmann: The world's smallest 3D printer

TEDxVienna

Klaus Stadlmann: The world's smallest 3D printer


What could you do with the world’s smallest 3D printer? Klaus Stadlmann demos his tiny, affordable printer that could someday make customized hearing aids -- or sculptures smaller than a human hair. (Filmed at TEDxVienna.)

Stefon Harris: There are no mistakes on the bandstand

TEDSalon NY2011

Stefon Harris: There are no mistakes on the bandstand


What is a mistake? By talking through examples with his improvisational Jazz quartet, Stefon Harris walks us to a profound truth: many actions are perceived as mistakes only because we don't react to them appropriately.

Yoav Medan: Ultrasound surgery -- healing without cuts

TEDMED 2011

Yoav Medan: Ultrasound surgery -- healing without cuts


Imagine having a surgery with no knives involved. At TEDMED, Yoav Medan shares a technique that uses MRI to find trouble spots and focused ultrasound to treat such issues as brain lesions, uterine fibroids and several kinds of cancerous growths.

Cheryl Hayashi: The magnificence of spider silk

TED2010

Cheryl Hayashi: The magnificence of spider silk


Cheryl Hayashi studies spider silk, one of nature's most high-performance materials. Each species of spider can make up to 7 very different kinds of silk. How do they do it? Hayashi explains at the DNA level -- then shows us how this super-strong, super-flexible material can inspire.

Luis von Ahn: Massive-scale online collaboration

TEDxCMU

Luis von Ahn: Massive-scale online collaboration


After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the Internet for greater good. In this talk, he shares how his ambitious new project, Duolingo, will help millions learn a new language while translating the Web quickly and accurately -- all for free.

Srdja Popovic: How to topple a dictator

TEDxKrakow

Srdja Popovic: How to topple a dictator


2011 was a year of people-powered resistance, starting with Arab Spring and spreading across the world. How did it work? Srdja Popovic (who led the nonviolent movement that took down Milosevic in Serbia in 2000) lays out the plans, skills and tools each movement needs -- from nonviolent tactics to a sense of humor. (Filmed at TEDxKrakow.)

Sarah Kay: How many lives can you live?

TEDxEast

Sarah Kay: How many lives can you live?


Spoken-word poet Sarah Kay was stunned to find she couldn’t be a princess, ballerina and astronaut all in one lifetime. In this talk, she delivers two powerful poems that show us how we can live other lives. (Filmed at TEDxEast.)

Leslie Dodson: Don't misrepresent Africa

TEDxBoulder 2011

Leslie Dodson: Don't misrepresent Africa


Real narratives are complicated: Africa isn’t a country, and it's not a disaster zone, says reporter and researcher Leslie Dodson. In her talk, she calls for journalists, researchers and NGOs to stop representing entire continents as one big tragedy. (Filmed at TEDxBoulder.)

Charles Limb: Building the musical muscle

TEDMED 2011

Charles Limb: Building the musical muscle


Charles Limb performs cochlear implantation, a surgery that treats hearing loss and can restore the ability to hear speech. But as a musician too, Limb thinks about what the implants lack: They don't let you fully experience music yet. (There's a hair-raising example.) At TEDMED, Limb reviews the state of the art and the way forward.

John Bohannon: Dance vs. powerpoint, a modest proposal

TEDxBrussels

John Bohannon: Dance vs. powerpoint, a modest proposal


Use dancers instead of powerpoint. That's science writer John Bohannon's "modest proposal." In this spellbinding choreographed talk he makes his case by example, aided by dancers from Black Label Movement. (Filmed at TEDxBrussels.)

Annie Murphy Paul: What we learn before we're born

TEDGlobal 2011

Annie Murphy Paul: What we learn before we're born


Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.

Karen Tse: How to stop torture

TEDGlobal 2011

Karen Tse: How to stop torture


Political prisoners aren't the only ones being tortured -- the vast majority of judicial torture happens in ordinary cases, even in 'functioning' legal systems. Social activist Karen Tse shows how we can, and should, stand up and end the use of routine torture.

Kathryn Schulz: Don't regret regret

TEDSalon NY2011

Kathryn Schulz: Don't regret regret


We're taught to try to live life without regret. But why? Using her own tattoo as an example, Kathryn Schulz makes a powerful and moving case for embracing our regrets.

Damon Horowitz: Philosophy in prison

TED2011

Damon Horowitz: Philosophy in prison


Damon Horowitz teaches philosophy through the Prison University Project, bringing college-level classes to inmates of San Quentin State Prison. In this powerful short talk, he tells the story of an encounter with right and wrong that quickly gets personal.

Amy Purdy: Living beyond limits

TEDxOrangeCoast

Amy Purdy: Living beyond limits


When she was 19, Amy Purdy lost both her legs below the knee. And now ... she's a pro snowboarder. In this powerful talk, she shows us how to draw inspiration from life's obstacles. (Filmed at TEDxOrangeCoast.)

Britta Riley: A garden in my apartment

TEDxManhattan

Britta Riley: A garden in my apartment


Britta Riley wanted to grow her own food (in her tiny apartment). So she and her friends developed a system for growing plants in discarded plastic bottles -- researching, testing and tweaking the system using social media, trying many variations at once and quickly arriving at the optimal system. Call it distributed DIY. And the results? Delicious. (Filmed at TEDxManhattan .)

Louie Schwartzberg: Nature. Beauty. Gratitude.

TEDxSF

Louie Schwartzberg: Nature. Beauty. Gratitude.


Nature’s beauty can be easily missed -- but not through Louie Schwartzberg’s lens. His stunning time-lapse photography, accompanied by powerful words from Benedictine monk Brother David Steindl-Rast, serves as a meditation on being grateful for every day. (Filmed at TEDxSF.)

Joe Sabia: The technology of storytelling

Full Spectrum Auditions

Joe Sabia: The technology of storytelling


iPad storyteller Joe Sabia introduces us to Lothar Meggendorfer, who created a bold technology for storytelling: the pop-up book. Sabia shows how new technology has always helped us tell our own stories, from the walls of caves to his own onstage iPad.

Péter Fankhauser: Meet Rezero, the dancing ballbot

TEDGlobal 2011

Péter Fankhauser: Meet Rezero, the dancing ballbot


Onstage at TEDGlobal, Péter Fankhauser demonstrates Rezero, a robot that balances on a ball. Designed and built by a group of engineering students, Rezero is the first ballbot made to move quickly and gracefully -- and even dance.

Phil Plait: How to defend Earth from asteroids

TEDxBoulder 2011

Phil Plait: How to defend Earth from asteroids


What's six miles wide and can end civilization in an instant? An asteroid -- and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them. (Filmed at TEDxBoulder.)

Natalie Warne: Being young and making an impact

TEDxTeen

Natalie Warne: Being young and making an impact


At 18, Natalie Warne’s work with the Invisible Children movement made her a hero for young activists. She uses her inspiring story to remind us that no one is too young to change the world. (Filmed at TEDxTeen.)

Gabe Zichermann: How games make kids smarter

TEDxKids@Brussels

Gabe Zichermann: How games make kids smarter


Can playing video games make you more productive? Gabe Zichermann shows how games are making kids better problem-solvers, and will make us better at everything from driving to multi-tasking. (Filmed at TEDxKids@Brussels.)

Robin Ince: Science versus wonder?

TEDGlobal 2011

Robin Ince: Science versus wonder?


Does science ruin the magic of life? In this grumpy but charming monologue, Robin Ince makes the argument against. The more we learn about the astonishing behavior of the universe -- the more we stand in awe.