David Deutsch: A new way to explain explanation

TEDGlobal 2009

David Deutsch: A new way to explain explanation

1,067,590 views

Readability: 5


For tens of thousands of years our ancestors understood the world through myths, and the pace of change was glacial. The rise of scientific understanding transformed the world within a few centuries. Why? Physicist David Deutsch proposes a subtle answer.

Ian Goldin: Navigating our global future

TEDGlobal 2009

Ian Goldin: Navigating our global future

1,125,982 views

Readability: 4.2


As globalization and technological advances bring us hurtling towards a new integrated future, Ian Goldin warns that not all people may benefit equally. But, he says, if we can recognize this danger, we might yet realize the possibility of improved life for everyone.

Marc Koska: 1.3m reasons to re-invent the syringe

TEDGlobal 2009

Marc Koska: 1.3m reasons to re-invent the syringe

654,389 views

Readability: 3.3


Reuse of syringes, all too common in under-funded clinics, kills 1.3 million each year. Marc Koska clues us in to this devastating global problem with facts, photos and hidden-camera footage. He shares his solution: a low-cost syringe that can't be used twice.

Itay Talgam: Lead like the great conductors

TEDGlobal 2009

Itay Talgam: Lead like the great conductors

3,213,162 views

Readability: 3.2


An orchestra conductor faces the ultimate leadership challenge: creating perfect harmony without saying a word. In this charming talk, Itay Talgam demonstrates the unique styles of six great 20th-century conductors, illustrating crucial lessons for all leaders.

John Gerzema: The post-crisis consumer

TEDxKC

John Gerzema: The post-crisis consumer

794,666 views

Readability: 4.4


John Gerzema says there's an upside to the recent financial crisis -- the opportunity for positive change. In this talk, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to connect with thoughtful spending.

Henry Markram: A brain in a supercomputer

TEDGlobal 2009

Henry Markram: A brain in a supercomputer

1,273,505 views

Readability: 3.8


Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's 100,000,000,000,000 synapses.

Rory Sutherland: Life lessons from an ad man

TEDGlobal 2009

Rory Sutherland: Life lessons from an ad man

3,044,667 views

Readability: 4.6


Advertising adds value to a product by changing our perception, rather than the product itself. Rory Sutherland makes the daring assertion that a change in perceived value can be just as satisfying as what we consider “real” value -- and his conclusion has interesting consequences for how we look at life.

David Hanson: Robots that "show emotion"

TED2009

David Hanson: Robots that "show emotion"

951,785 views

Readability: 5.2


David Hanson's robot faces look and act like yours: They recognize and respond to emotion, and make expressions of their own. Here, an "emotional" live demo of the Einstein robot offers a peek at a future where robots truly mimic humans.

Eric Sanderson: New York -- before the City

TEDGlobal 2009

Eric Sanderson: New York -- before the City

1,859,626 views

Readability: 3.7


400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you couldn't get delivery.

Sam Martin: Claim your "manspace"

TEDGlobal 2009

Sam Martin: Claim your "manspace"

817,783 views

Readability: 3.3


Author Sam Martin shares photos of a quirky world hobby that's trending with the XY set: "manspaces." (They're custom-built hangouts where a man can claim a bit of his own territory to work, relax, be himself.) Grab a cold one and enjoy.

Beau Lotto: Optical illusions show how we see

TEDGlobal 2009

Beau Lotto: Optical illusions show how we see

5,444,247 views

Readability: 2.7


Beau Lotto's color games puzzle your vision, but they also spotlight what you can't normally see: how your brain works. This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what's really out there.

Chimamanda Ngozi Adichie: The danger of a single story

TEDGlobal 2009

Chimamanda Ngozi Adichie: The danger of a single story

16,771,798 views

Readability: 4.1


Our lives, our cultures, are composed of many overlapping stories. Novelist Chimamanda Adichie tells the story of how she found her authentic cultural voice -- and warns that if we hear only a single story about another person or country, we risk a critical misunderstanding.

David Logan: Tribal leadership

TEDxUSC

David Logan: Tribal leadership

1,512,667 views

Readability: 3.3


David Logan talks about the five kinds of tribes that humans naturally form -- in schools, workplaces, even the driver's license bureau. By understanding our shared tribal tendencies, we can help lead each other to become better individuals.

Carolyn Steel: How food shapes our cities

TEDGlobal 2009

Carolyn Steel: How food shapes our cities

1,078,155 views

Readability: 3.4


Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.

Stefan Sagmeister: The power of time off

TEDGlobal 2009

Stefan Sagmeister: The power of time off

3,167,880 views

Readability: 3.7


Every seven years, designer Stefan Sagmeister closes his New York studio for a yearlong sabbatical to rejuvenate and refresh their creative outlook. He explains the often overlooked value of time off and shows the innovative projects inspired by his time in Bali.

Garik Israelian: How spectroscopy could reveal alien life

TEDGlobal 2009

Garik Israelian: How spectroscopy could reveal alien life

610,128 views

Readability: 4.5


Garik Israelian is a spectroscopist, studying the spectrum emitted by a star to figure out what it's made of and how it might behave. It's a rare and accessible look at this discipline, which may be coming close to finding a planet friendly to life.

Karen Armstrong: Let's revive the Golden Rule

TEDGlobal 2009

Karen Armstrong: Let's revive the Golden Rule

816,974 views

Readability: 4.2


Weeks from the Charter for Compassion launch, Karen Armstrong looks at religion's role in the 21st century: Will its dogmas divide us? Or will it unite us for common good? She reviews the catalysts that can drive the world's faiths to rediscover the Golden Rule.

Tim Brown: Designers -- think big!

TEDGlobal 2009

Tim Brown: Designers -- think big!

1,530,939 views

Readability: 4.9


Tim Brown says the design profession has a bigger role to play than just creating nifty, fashionable little objects. He calls for a shift to local, collaborative, participatory "design thinking" -- starting with the example of 19th-century design thinker Isambard Kingdom Brunel.

Parag Khanna: Mapping the future of countries

TEDGlobal 2009

Parag Khanna: Mapping the future of countries

1,015,900 views

Readability: 4.4


Many people think the lines on the map no longer matter, but Parag Khanna says they do. Using maps of the past and present, he explains the root causes of border conflicts worldwide and proposes simple yet cunning solutions for each.

Jacqueline Novogratz: A third way to think about aid

TED@State

Jacqueline Novogratz: A third way to think about aid

474,249 views

Readability: 4.4


The debate over foreign aid often pits those who mistrust "charity" against those who mistrust reliance on the markets. Jacqueline Novogratz proposes a middle way she calls patient capital, with promising examples of entrepreneurial innovation driving social change.

Taryn Simon: Photographs of secret sites

TEDGlobal 2009

Taryn Simon: Photographs of secret sites

1,672,766 views

Readability: 5.7


Taryn Simon exhibits her startling take on photography -- to reveal worlds and people we would never see otherwise. She shares two projects: one documents otherworldly locations typically kept secret from the public, the other involves haunting portraits of men convicted for crimes they did not commit.

William Kamkwamba: How I harnessed the wind

TEDGlobal 2009

William Kamkwamba: How I harnessed the wind

2,367,377 views

Readability: 2.8


At age 14, in poverty and famine, a Malawian boy built a windmill to power his family's home. Now at 22, William Kamkwamba, who speaks at TED, here, for the second time, shares in his own words the moving tale of invention that changed his life.

Evgeny Morozov: How the Net aids dictatorships

TEDGlobal 2009

Evgeny Morozov: How the Net aids dictatorships

448,907 views

Readability: 4.8


TED Fellow and journalist Evgeny Morozov punctures what he calls "iPod liberalism" -- the assumption that tech innovation always promotes freedom, democracy -- with chilling examples of ways the Internet helps oppressive regimes stifle dissent.

Oliver Sacks: What hallucination reveals about our minds

TED2009

Oliver Sacks: What hallucination reveals about our minds

4,968,627 views

Readability: 3.7


Neurologist and author Oliver Sacks brings our attention to Charles Bonnet syndrome -- when visually impaired people experience lucid hallucinations. He describes the experiences of his patients in heartwarming detail and walks us through the biology of this under-reported phenomenon.

John Lloyd: An inventory of the invisible

TEDGlobal 2009

John Lloyd: An inventory of the invisible

1,183,010 views

Readability: 3.4


Nature's mysteries meet tack-sharp wit in this hilarious, 10-minute mix of quips and fun lessons, as comedian, writer and TV man John Lloyd plucks at the substance of several things not seen.

Bjarke Ingels: 3 warp-speed architecture tales

TEDGlobal 2009

Bjarke Ingels: 3 warp-speed architecture tales

2,295,191 views

Readability: 4.4


Danish architect Bjarke Ingels rockets through photo/video-mingled stories of his eco-flashy designs. His buildings not only look like nature -- they act like nature: blocking the wind, collecting solar energy -- and creating stunning views.