Nobel Peace laureate Jody Williams brings tough love to the dream of world peace, with her razor-sharp take on what "peace" really means, and a set of profound stories that zero in on the creative struggle -- and sacrifice -- of those...

Robert Neuwirth spent four years among the chaotic stalls of street markets, talking to pushcart hawkers and gray marketers, to study the remarkable "System D," the world's unlicensed economic network. Responsible for some 1.8 billion...

In 1967, Moshe Safdie reimagined the monolithic apartment building, creating “Habitat ’67,” which gave each unit an unprecedented sense of openness. Nearly 50 years later, he believes the need for this type of building is greater than...

In Brazil, "catadores" collect junk and recyclables. But while they provide a vital service that benefits all, they are nearly invisible as they roam the streets. Enter graffiti artist Mundano, a TED Fellow. In a spirited talk, he...

Peaceful protests can help people have their voices heard, but sometimes a protest becomes a more aggressive riot. How does that happen?

Daniel Lismore's closet is probably a bit different than yours -- his clothes are constructed out of materials ranging from beer cans and plastic crystals to diamonds, royal silks and 2,000-year-old Roman rings. In this striking talk,...

"There's a flip side to everything," the saying goes, and in 2 minutes, Derek Sivers shows this is true in a few ways you might not expect.

There's a creeping sameness in many of our newest urban buildings and streetscapes, says architect Vishaan Chakrabarti. And this physical homogeneity -- the result of regulations, mass production, safety issues and cost considerations,...

How do you stand up to authoritarianism? And what does it mean to be "fearless"? In this powerful talk, housewife-turned-politician Sviatlana Tsikhanouskaya describes her unlikely bid to defeat Belarus's long-time autocratic leader in...

Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?

David Macaulay relives the winding and sometimes surreal journey toward the completion of Rome Antics, his illustrated homage to the historic city.

Aris Venetikidis is fascinated by the maps we draw in our minds as we move around a city -- less like street maps, more like schematics or wiring diagrams, abstract images of relationships between places. How can we learn from these...

In a staggering display of creativity and community, theater director Amir Nizar Zuabi introduces "The Walk": a theatrical journey following a nine-year-old refugee girl named Amal (represented by a giant, lifelike puppet) as she makes...

Things Other Countries Do Totally Differently!

Located on a lovely bay named after the city, Naples is the regional capital of Campania and the third-largest city in Italy after Rome and Milan. The city has the stunning backdrop of Mount Vesuvius, the still-active volcano that...

Interesting Facts About The Country You Barely Heard: Svalbard

Dictators are overthrown in part 6 of our epic journey through the revolutions that set the power dynamics of our modern civilization.

One college professor is changing the lives of homeless around the country. You may remember Willie Baronet from our HooplaHa original video. It highlighted the artist's journey collecting homeless signs and shedding light on their...

Howcast - Learn about the highlights of the Paris Las Vegas from Sin City expert Mike Myers in this Howcast video.

Howcast - Learn how to do the run toe tap dance move from fitness expert Rachel Warren in this hip-hop dance workout video from Howcast.

Howcast - Learn how to do the basic 3-card monte trick in this dinner table magic tricks video from Howcast.

Howcast - When in Rome... live la dolce vita with these insider tips.

Howcast -Learn about post-flop strategy from poker champion Nick "Nicky Numbers" Brancato in this Howcast video.

On the streets of New Delhi, India, a heatwave has sent temperatures climbing to 50 degrees Celsius, bringing misery to many of the city’s citizens.The heatwave has scorched large parts of north and central India, with hundreds of...