TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. Ideas free to stream and download.

TED is dedicated to researching and sharing knowledge that matters through short talks and presentations. Our goal is to inform and educate global audiences in an accessible way.

Are schools killing creativity? What makes a great leader? How can I find happiness? These are the 25 most played talks of all time, updated yearly.

C Skip to letter D Cancer Capitalism Career Cartoons Chemistry China Christianity Cities Climate change Code Cognitive science Collaboration Comedy Communication Community Compassion …

Feed your curiosity with new TED series that go deeper into fascinating topics -- from the everyday objects that changed the world, to cutting-edge neuroscience on a shoestring budget.

TED is a nonprofit devoted to Ideas Worth Spreading - through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

TED-Ed's mission is to ignite curiosity and amplify the voices of learners and educators worldwide. In pursuit of this mission we produce award-winning educational animations in multiple languages and …

TED-Ed celebrates the ideas of teachers and students around the world. Discover hundreds of animated lessons, create customized lessons, and share your big ideas.

"The free, online, mainstream pornography that teenagers are most likely to see is a completely terrible form of sex education," says public health researcher Emily Rothman. She shares how her mission …

Dive into our library of TEDx Talks — local speakers presenting to local audiences about everything from politics to pollination. We host all of their talks for the world to enjoy, explore, and use.