Jeremy Gilley: One day of peace

TEDGlobal 2011

Jeremy Gilley: One day of peace

865,314 views

Readability: 3.6


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

408,128 views

Readability: 4.3


The world's largest volunteer animal rescue, saved more than 40,000 penguins after an oil spill off the coast of South Africa. Dyan deNapoli tells the triumphant story. How does a job this big get done? Penguin by penguin by penguin ...

Alex Steffen: The shareable future of cities

TEDGlobal 2011

Alex Steffen: The shareable future of cities

1,010,152 views

Readability: 3.9


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?

2,284,450 views

Readability: 5.3


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. (NOTE: Statements in this talk have been challenged by scientists working in this field. Please read "Criticisms & Updates" below for more details.)

Eve Ensler: Suddenly, my body

TEDWomen 2010

Eve Ensler: Suddenly, my body

1,396,538 views

Readability: 3.3


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?

575,862 views

Readability: 4.9


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

1,521,731 views

Readability: 4.2


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

2,576,418 views

Readability: 3.8


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

1,183,881 views

Readability: 4.7


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

6,381,477 views

Readability: 3.6


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

863,515 views

Readability: 3.5


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

2,010,937 views

Readability: 3.7


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

1,481,207 views

Readability: 4.2


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

685,045 views

Readability: 4.6


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

6,420,909 views

Readability: 3.7


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

3,811,606 views

Readability: 3.5


We live in a world run by algorithms, computer programs that make decisions or solve problems for us. In this riveting, funny talk, Kevin Slavin shows how modern algorithms determine stock prices, espionage tactics, even the movies you watch. But, he asks: If we depend on complex algorithms to manage our daily decisions -- when do we start to lose control?

Thandie Newton: Embracing otherness, embracing myself

TEDGlobal 2011

Thandie Newton: Embracing otherness, embracing myself

2,673,952 views

Readability: 3.9


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

1,717,722 views

Readability: 4.2


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

525,265 views

Readability: 3.5


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

1,829,669 views

Readability: 4.3


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

741,523 views

Readability: 5.4


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!

761,762 views

Readability: 5.5


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

500,953 views

Readability: 3.5


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

721,296 views

Readability: 4


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

989,907 views

Readability: 3.6


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.

Nathan Myhrvold: Cooking as never seen before

TED2011

Nathan Myhrvold: Cooking as never seen before

1,444,693 views

Readability: 3.2


Cookbook author (and geek) Nathan Myhrvold talks about his magisterial work, "Modernist Cuisine" -- and shares the secret of its cool photographic illustrations, which show cross-sections of food in the very act of being cooked.

Matt Cutts: Try something new for 30 days

TED2011

Matt Cutts: Try something new for 30 days

9,977,490 views

Readability: 3


Is there something you've always meant to do, wanted to do, but just ... haven't? Matt Cutts suggests: Try it for 30 days. This short, lighthearted talk offers a neat way to think about setting and achieving goals.

Robert Hammond: Building a park in the sky

TED2011

Robert Hammond: Building a park in the sky

741,733 views

Readability: 3.3


New York was planning to tear down the High Line, an abandoned elevated railroad in Manhattan, when Robert Hammond and a few friends suggested: Why not make it a park? He shares how it happened in this tale of local cultural activism.

Dave deBronkart: Meet e-Patient Dave

TEDxMaastricht

Dave deBronkart: Meet e-Patient Dave

570,541 views

Readability: 3.7


When Dave deBronkart learned he had a rare and terminal cancer, he turned to a group of fellow patients online -- and found the medical treatment that saved his life. Now he calls on all patients to talk with one another, know their own health data, and make health care better one e-Patient at a time.

Rajesh Rao: A Rosetta Stone for a lost language

TED2011

Rajesh Rao: A Rosetta Stone for a lost language

1,249,425 views

Readability: 4.2


Rajesh Rao is fascinated by "the mother of all crossword puzzles": how to decipher the 4000-year-old Indus script. He's enlisting modern computation to try to read this lost language, the key to understanding this ancient civilization.