| Quality | Resolution | Bitrate |
|---|---|---|
| 下载 : 4K Ultra HD | 3840x2160 | 12313Kbps |
| 下载 : Quad HD | 2560x1440 | 6321Kbps |
| 下载 : Full HD | 1920x1080 | 3495Kbps |
| 下载 : HD | 1280x720 | 1967Kbps |
| 下载 : SD | 960x540 | 1184Kbps |
| 下载 : SD | 640x360 | 717Kbps |
| 下载 : SD | 426x240 | 446Kbps |
| 下载 : MP3 | audio only |
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. TECHNOLOGY How to spot fake AI photos EDUCATION The blueprint for serving a million school lunches — every day TECHNOLOGY The inside story of Notre-Dame’s incredible reconstruction CLIMATE CHANGE 700 million people still live without electricity. Here’s how to fix that ENVIRONMENT An unexpected plan for peace in the Middle East Discover See all TED-Ed Psychology Leadership Education AI Sleep Mental Health Business Motivation Communication Personal Growth Sports Health Language NEWEST FROM TED Browse all Newest 9 MIN EDUCATION The blueprint for serving a million school lunches — every day Wawira Njiru · 2 days ago 6 MIN TECHNOLOGY The multidimensional magic of modern maps Peter Wilczynski · 105K plays · 2 days ago 12 MIN CLIMATE CHANGE A small nation’s surprising solution to unemployment James Mnyupe · 179K plays · 3 days ago 17 MIN POLITICS Beyond the Talk: Lei Cheng in conversation with Elise Hu Lei Cheng · 229K plays · 6 days ago POPULAR ON TED Browse all Popular 11 MIN CLIMATE CHANG