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Author Stephen Petranek makes the case that humans will live on Mars in the not-too-distant future. He explains how and when this might happen — and what risks those who head there first might face.

社区成员唐·安德森回应安妮特·豪泽的TED演讲指出，三大评级机构所使用的数据并非秘密，并建议通过开放数据，让投资者自行构建评估公式，从而实现对评级机构的真正改革。

Most kids will suffer for a short time after a marriage ends, but what exacerbates and extends their stress and anxiety is their feeling torn between two parents, says communication researcher Tamara Affifi.

And if your boss is on the fence, here’s a compelling case study — from economics professor Nicholas Bloom — to show her.

The best way to understand how an illegal online drugs market works is to buy something from it. That, however, creates fairly obvious difficulties, as Jamie Bartlett explains.

作家莎拉·琼斯在TED演讲中扮演来自未来的人物，探讨未来世界里人类是否真的改变了。答案是：工具在进化，人性却依旧。我们或许穿上了机械外骨骼，但仍在打仗、恋爱、和妈妈争吵。真正改变人的，不是科技，而是理性与同理心。

Cities are the the 21st century’s dominant form of civilization — and they’re where humanity’s struggle for survival will take place. Robert Muggah and Ben Barber spell out the possibilities.

Designers have dreamed about creating a refreshable, affordable full-page Braille display for the visually impaired, and a team at the University of Michigan has found an ingenious solution in bubbles. That’s right, bubbles

Here’s a huge list of TED speaker-recommended books, with all the diversity of titles and topics you might expect. No matter your mood, preference or occasion, we’ve got you covered.

Here’s how to encourage new medical innovation, says genetic researcher Geoffrey Siwo: Join forces with the people who need innovation the most, all over the world.