TED Videos & Activities

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Julian Treasure on How to speak well (level B2 - C2)

Sound consultant
Julian Treasure studies sound and advises businesses on how best to use it. Full bio
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Murray Gell-Mann on physical beauty (level B2-C2)

Murray Gell-Mann brings visibility to a crucial aspect of our existence that we can't actually see: elemental particles. He won the Nobel Prize in Physics for introducing quarks, one of two fundamental ingredients for all matter in the universe. Full bio
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Jennifer Goldbeck on social media (level B2-C2)

Computer scientist

As the director of the Human-Computer Interaction Lab at the University of Maryland, Jennifer Golbeck studies how people use social media — and thinks about ways to improve their interactions. Full bio

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Michelle Obama on education (level B2-C2)


Speaking to an audience of students, US First Lady Michelle Obama reminds each one to take their education seriously — and never take it for granted. This new, brilliant generation, she tells us, is the one that could close the gap between the world as it is and the world as it should be.

Margaret Heffernan on the pecking order in companies (level B2-C1)

Organizations are often run according to "the superchicken model," where the value is placed on star employees who outperform others. And yet, this isn't what drives the most high-achieving teams. Business leader Margaret Heffernan observes that it is social cohesion — built every coffee break, every time one team member asks another for help — that leads over time to great results. It's a radical rethink of what drives us to do our best work, and what it means to be a leader. Because as Heffernan points out: "Companies don't have ideas. Only people do."

Keller Rinaudo - Romo, the mini robot (level B1-B2)

Your smartphone may feel like a friend — but a true friend would give you a smile once in a while. At TED2013, Keller Rinaudo demos Romo, the smartphone-powered mini robot who can motor along with you on a walk, slide you a cup of coffee across the table, and react to you with programmable expressions.

Kio Stark on why you should talk to strangers (level B1-B2)


"When you talk to strangers, you're making beautiful interruptions into the expected narrative of your daily life — and theirs," says Kio Stark. In this delightful talk, Stark explores the overlooked benefits of pushing past our default discomfort when it comes to strangers and embracing those fleeting but profoundly beautiful moments of genuine connection.

Susan Cain on the power of introverts (level B2-C1)

In a culture where being social and outgoing are prized above all else, it can be difficult, even shameful, to be an introvert. But, as Susan Cain argues in this passionate talk, introverts bring extraordinary talents and abilities to the world, and should be encouraged and celebrated.