Business school professor Amy Edmondson studies "teaming," where people come together quickly (and often temporarily) to solve new, urgent or unusual problems. Recalling stories of teamwork on the fly, such as the incredible rescue of 33 miners trapped half a mile underground in Chile in 2010, Edmondson shares the elements needed to turn a group...

Amazing inventions, activism and tons of genius delivered by an awesome group of kids and teens.

Episode 6 of TED Talks India: Nayi Soch. A brand new TED Talks series in Hindi hosted by Shah Rukh Khan.

The TED Fellows are an extraordinary group of 350+ artists, scientists, entrepreneurs and more — each at the beginning of a landmark career. Below, watch the most-viewed talks from these unusual trailblazers, each with a unique idea to share.

We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into how we interact to reach decisions by performing experiments with live crowds around the world. In this fun, fa...

ISIS, Hezbollah, Hamas. These three very different groups are known for violence — but that’s only a portion of what they do, says policy analyst Benedetta Berti. They also attempt to win over populations with social work: setting up schools and hospitals, offering safety and security, and filling the gaps left by weak governments. Understanding...

Scilla Elworthy founded Oxford Research Group in 1982, to promote effective dialogue between nuclear weapons policy-makers and their opponents.

Ian Bremmer is the president and founder of Eurasia Group, a political risk research and consulting firm.

Matt Goldman is a co-founder of the international theatrical sensation Blue Man Group and the NYC-based Blue School.

Noah Feldman makes a searing case that both politics and religion -- whatever their differences -- are similar technologies, designed to efficiently connect and manage any group of people.

One-of-a-kind R&B group Naturally 7 beatboxes an orchestra's worth of instruments to groove through their smooth single, "Fly Baby."

John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to conserve energy.

Margaret Mitchell is a senior research scientist in Google's Research & Machine Intelligence group, working on artificial intelligence.

Mitch Resnick directs the Lifelong Kindergarten group at MIT Media Lab, dedicated to helping kids of all ages tinker and experiment with design.

As the head of a student group called Uncomfortable Learning, Zachary R. Wood made a point of engaging in conversation with people he disagreed with.

Rébecca Kleinberger is a voice expert pursuing research as a PhD candidate in the MIT Media Lab’s Opera of the Future group.

Anthropologist Wade Davis muses on the worldwide web of belief and ritual that makes us human. He shares breathtaking photos and stories of the Elder Brothers, a group of Sierra Nevada indians whose spiritual practice holds the world in balance.

Charlie Todd is the creator of Improv Everywhere, a group that creates absurd and joyful public scenes.

As co-founder and CEO of MASS Design Group, Michael Murphy envisions and creates community-centric structures with healing built into their core.

Psychologist Jonathan Haidt asks a simple, but difficult question: why do we search for self-transcendence? Why do we attempt to lose ourselves? In a tour through the science of evolution by group selection, he proposes a provocative answer.

Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really an outgrowth of our natural human instinct to work as a group.

Naif Al-Mutawa has created a group of comic superheroes based on Islamic culture and religion. They derive their superpowers from the 99 attributes of Allah.

A professor of chemistry, nanoscience and chemical complexity, Lee Cronin and his research group investigate how chemistry can revolutionize modern technology and even create life.

Wendy Woods is a Senior Partner and Managing Director of The Boston Consulting Group (BCG) and Global Leader of BCG's Social Impact practice, which she helped create.

Sauti Sol blends warm resonant pop with traditional Kenyan influences. Their mélange of energetic rhythms has promoted the group to become one of Africa’s most celebrated.

In 1988, Matt Goldman co-founded Blue Man Group, an off-Broadway production that became a sensation known for its humor, blue body paint and wild stunts. The show works on the premise that certain conditions can create "aha moments" -- moments of surprise, learning and exuberance -- frequent and intentional rather than random and occasional. Now...

Caleb Harper leads a group of engineers, architects, urban planners, economists and plant scientists in the exploration and development of high performance urban agricultural systems.

Musician and activist Peter Gabriel shares his very personal motivation for standing up for human rights with the watchdog group WITNESS -- and tells stories of citizen journalists in action.

Kelli Swazey examines how religious and spiritual practices form group identity, and play a vital role in structuring the interactions of individuals within a culture.

Petter Johansson and his research group study self-knowledge and attitude change using methods ranging from questionnaires to close-up card magic.