Julia Bacha: Pay attention to nonviolence

TEDGlobal 2011

Julia Bacha: Pay attention to nonviolence


In 2003, the Palestinian village of Budrus mounted a 10-month-long nonviolent protest to stop a barrier being built across their olive groves. Did you hear about it? Didn't think so. Brazilian filmmaker Julia Bacha asks why we only pay attention to violence in the Israel-Palestine conflict -- and not to the nonviolent leaders who may one day bring peace.

Svante Pääbo: DNA clues to our inner neanderthal

TEDGlobal 2011

Svante Pääbo: DNA clues to our inner neanderthal


Sharing the results of a massive, worldwide study, geneticist Svante Pääbo shows the DNA proof that early humans mated with Neanderthals after we moved out of Africa. (Yes, many of us have Neanderthal DNA.) He also shows how a tiny bone from a baby finger was enough to identify a whole new humanoid species.

Dan Ariely: Beware conflicts of interest

TED2011

Dan Ariely: Beware conflicts of interest


In this short talk, psychologist Dan Ariely tells two personal stories that explore scientific conflict of interest: How the pursuit of knowledge and insight can be affected, consciously or not, by shortsighted personal goals. When we're thinking about the big questions, he reminds us, let's be aware of our all-too-human brains.

Marco Tempest: The magic of truth and lies (and iPods)

TEDGlobal 2011

Marco Tempest: The magic of truth and lies (and iPods)


Using three iPods like magical props, Marco Tempest spins a clever, surprisingly heartfelt meditation on truth and lies, art and emotion.

Lucianne Walkowicz: Finding planets around other stars

TEDGlobal 2011

Lucianne Walkowicz: Finding planets around other stars


How do we find planets -- even habitable planets -- around other stars? By looking for tiny dimming as a planet passes in front of its sun, TED Fellow Lucianne Walkowicz and the Kepler mission have found some 1,200 potential new planetary systems. With new techniques, they may even find ones with the right conditions for life.

Jeremy Gilley: One day of peace

TEDGlobal 2011

Jeremy Gilley: One day of peace


Here's a crazy idea: Persuade the world to try living in peace for just one day, every September 21. In this energetic, honest talk, Jeremy Gilley tells the story of how this crazy idea became real -- real enough to help millions of kids in war-torn regions.

Dyan deNapoli: The great penguin rescue

TEDxBoston 2011

Dyan deNapoli: The great penguin rescue


A personal story, a collective triumph: Dyan deNapoli tells the story of the world's largest volunteer animal rescue, which saved more than 40,000 penguins after an oil spill off the coast of South Africa. How does a job this big get done? Penguin by penguin by penguin ... (Filmed at TEDxBoston.)

Alex Steffen: The shareable future of cities

TEDGlobal 2011

Alex Steffen: The shareable future of cities


How can cities help save the future? Alex Steffen shows some cool neighborhood-based green projects that expand our access to things we want and need -- while reducing the time we spend in cars.

Philip Zimbardo: The demise of guys?

TED2011

Philip Zimbardo: The demise of guys?


Psychologist Philip Zimbardo asks, "Why are boys struggling?" He shares some stats (lower graduation rates, greater worries about intimacy and relationships) and suggests a few reasons -- and challenges the TED community to think about solutions.

Eve Ensler: Suddenly, my body

TEDWomen 2010

Eve Ensler: Suddenly, my body


Poet, writer, activist Eve Ensler lived in her head. In this powerful talk from TEDWomen, she talks about her lifelong disconnection from her body -- and how two shocking events helped her to connect with the reality, the physicality of being human.

Jessica Green: Are we filtering the wrong microbes?

TEDGlobal 2011

Jessica Green: Are we filtering the wrong microbes?


Should we keep the outdoors out of hospitals? Ecologist and TED Fellow Jessica Green has found that mechanical ventilation does get rid of many types of microbes, but the wrong kinds: the ones left in the hospital are much more likely to be pathogens.

Mark Pagel: How language transformed humanity

TEDGlobal 2011

Mark Pagel: How language transformed humanity


Biologist Mark Pagel shares an intriguing theory about why humans evolved our complex system of language. He suggests that language is a piece of "social technology" that allowed early human tribes to access a powerful new tool: cooperation.

Harald Haas: Wireless data from every light bulb

TEDGlobal 2011

Harald Haas: Wireless data from every light bulb


What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower -- and do it in a way that's more efficient, secure and widespread.

Adam Ostrow: After your final status update

TEDGlobal 2011

Adam Ostrow: After your final status update


Many of us have a social media presence -- a virtual personality made up of status updates, tweets and connections, stored in the cloud. Adam Ostrow asks a big question: What happens to that personality after you've died? Could it ... live on?

Julian Treasure: 5 ways to listen better

TEDGlobal 2011

Julian Treasure: 5 ways to listen better


In our louder and louder world, says sound expert Julian Treasure, "We are losing our listening." In this short, fascinating talk, Treasure shares five ways to re-tune your ears for conscious listening -- to other people and the world around you.

Josette Sheeran: Ending hunger now

TEDGlobal 2011

Josette Sheeran: Ending hunger now


Josette Sheeran, the head of the UN's World Food Program, talks about why, in a world with enough food for everyone, people still go hungry, still die of starvation, still use food as a weapon of war. Her vision: "Food is one issue that cannot be solved person by person. We have to stand together."

Paul Bloom: The origins of pleasure

TEDGlobal 2011

Paul Bloom: The origins of pleasure


Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists -- that our beliefs about the history of an object change how we experience it, not simply as an illusion, but as a deep feature of what pleasure (and pain) is.

Geoffrey West: The surprising math of cities and corporations

TEDGlobal 2011

Geoffrey West: The surprising math of cities and corporations


Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In this mind-bending talk from TEDGlobal he shows how it works and how similar laws hold for organisms and corporations.

Rory Stewart: Time to end the war in Afghanistan

TEDGlobal 2011

Rory Stewart: Time to end the war in Afghanistan


British MP Rory Stewart walked across Afghanistan after 9/11, talking with citizens and warlords alike. Now, a decade later, he asks: Why are Western and coalition forces still fighting there? He shares lessons from past military interventions that worked -- Bosnia, for instance -- and shows that humility and local expertise are the keys to success.

Markus Fischer: A robot that flies like a bird

TEDGlobal 2011

Markus Fischer: A robot that flies like a bird


Plenty of robots can fly -- but none can fly like a real bird. That is, until Markus Fischer and his team at Festo built SmartBird, a large, lightweight robot, modeled on a seagull, that flies by flapping its wings. A soaring demo fresh from TEDGlobal 2011.

Kevin Slavin: How algorithms shape our world

TEDGlobal 2011

Kevin Slavin: How algorithms shape our world


Kevin Slavin argues that we're living in a world designed for -- and increasingly controlled by -- algorithms. In this riveting talk from TEDGlobal, he shows how these complex computer programs determine: espionage tactics, stock prices, movie scripts, and architecture. And he warns that we are writing code we can't understand, with implications we can't control.

Thandie Newton: Embracing otherness, embracing myself

TEDGlobal 2011

Thandie Newton: Embracing otherness, embracing myself


Actor Thandie Newton tells the story of finding her "otherness" -- first, as a child growing up in two distinct cultures, and then as an actor playing with many different selves. A warm, wise talk, fresh from stage at TEDGlobal 2011.

Mikko Hypponen: Fighting viruses, defending the net

TEDGlobal 2011

Mikko Hypponen: Fighting viruses, defending the net


It's been 25 years since the first PC virus (Brain A) hit the net, and what was once an annoyance has become a sophisticated tool for crime and espionage. Computer security expert Mikko Hyppönen tells us how we can stop these new viruses from threatening the internet as we know it.

Nadia Al-Sakkaf: See Yemen through my eyes

TEDGlobal 2011

Nadia Al-Sakkaf: See Yemen through my eyes


As political turmoil in Yemen continues, the editor of the Yemen Times, Nadia Al-Sakkaf, talks at TEDGlobal with host Pat Mitchell. Al-Sakkaf's independent, English-language paper is vital for sharing news -- and for sharing a new vision of Yemen and of that country's women as equal partners in work and change.

Tim Harford: Trial, error and the God complex

TEDGlobal 2011

Tim Harford: Trial, error and the God complex


Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and start making better mistakes.

Maajid Nawaz: A global culture to fight extremism

TEDGlobal 2011

Maajid Nawaz: A global culture to fight extremism


Why do transnational extremist organizations succeed where democratic movements have a harder time taking hold? Maajid Nawaz, a former Islamist extremist, asks for new grassroots stories and global social activism to spread democracy in the face of nationalism and xenophobia.

Rebecca MacKinnon: Let's take back the Internet!

TEDGlobal 2011

Rebecca MacKinnon: Let's take back the Internet!


In this powerful talk from TEDGlobal, Rebecca MacKinnon describes the expanding struggle for freedom and control in cyberspace, and asks: How do we design the next phase of the Internet with accountability and freedom at its core, rather than control? She believes the internet is headed for a "Magna Carta" moment when citizens around the world demand that their governments protect free speech and their right to connection.

Nina Tandon: Caring for engineered tissue

TED2011

Nina Tandon: Caring for engineered tissue


Tissue engineer and TED Fellow Nina Tandon is growing artificial hearts and bones. To do that, she needs new ways of caring for artificially grown cells -- techniques she's developed by the simple but powerful method of copying their natural environments.

Simon Lewis: Don't take consciousness for granted

INK Conference

Simon Lewis: Don't take consciousness for granted


After a catastrophic car accident that left him in a coma, Simon Lewis found ways to recover -- physically and mentally -- beyond all expectations. At the INK Conference he tells how this remarkable story led him to concern over all threats to consciousness, and how to overcome them.

Jonathan Drori: The beautiful tricks of flowers

TEDSalon London Spring 2011

Jonathan Drori: The beautiful tricks of flowers


In this visually dazzling talk, Jonathan Drori shows the extraordinary ways flowering plants -- over a quarter million species -- have evolved to attract insects to spread their pollen: growing 'landing-strips' to guide the insects in, shining in ultraviolet, building elaborate traps, and even mimicking other insects in heat.