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萨尔曼·可汗在TED2011演讲后，致力于将可汗学院打造成未来教育模式。如今该平台每月用户超千万，已覆盖29种语言，并通过与麻省理工、盖蒂博物馆等机构合作持续深化内容。本文探讨了可汗学院的成长历程、与慕课的区别、国际化进展以及未来教育的发展方向。

After being yelled at and terminated, writer Andrew Millar has finally learned how to make his mouthiness work for him. He shares some advice for his fellow dissenters and the coworkers who put up with them.

阿里安娜·赫芬顿曾因过度疲劳而晕倒，此后成为倡导充分睡眠的代言人。她精选了16篇文章与科学论文，从大脑排毒、情商提升到睡眠误区，全面揭示睡眠对提高生产力与领导力的重要作用。

In the movie Selma, director Ava DuVernay chronicles the 1965 marches that led to the passage of the Voting Rights Act. She explained why Martin Luther King Jr. is so much more than a symbol or an annual holiday.

Psychologist Paul Bloom studies the nature of pleasure. In this conversation with Ben Lillie, he discusses how knowing the history of an object can profoundly affect our enjoyment of it.

Micro-mechanician Bill Robertson builds sophisticated, fully working replicas of rare tools, gadgets and houses from the 17th and 18th centuries. His exquisite creations put history’s hidden details in the palms of our hands.

Enjoy these insights from elders on the key ingredients for a good life, and get inspired to do your own interview with an older relative.

TED2014大会就未来30年内十大潜在变革驱动力发起投票，涵盖气候危机、不平等加剧、人口老龄化、在线学习、透明度与隐私、航天技术、机器智能、工作重塑、基因组学革命及物联网，邀请公众参与并与TED社区分享观点。

You get invited to a meeting by a person you don’t really know, about a project you’ve barely heard of, and you’re not sure why. ‘Click.’ You accept anyway. Find out just how much time this simple act wastes.

While overall memory declines as we age, that’s far from the end of the story. In fact, there are certain things older people continue to remember quite well, says researcher Alan D. Castel.