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Botswana’s Okavango Delta, home to the world’s largest elephant population, is now a UNESCO World Heritage site. TED Fellow Steve Boyes explains why this is a great thing.

Business consultant Jim Crupi helps companies figure out how to change and innovate. What he often finds when he meets clients is a tried-and-true pattern of doing things the same way. He shares an easy game to shake things up.

On three tiny islands in central Japan, stunning natural beauty lives side by side with some of the world’s best contemporary art and architecture. See 10 photos by Iwan Baan.

Most of us have no problem admitting we have more than we need. The difficulty lies in the next steps: How to get rid of it? What room to tackle first? Should we toss, regift, donate, recycle, repurpose, sell? It’s enough to drive a person to lie down and wait until the impulse to tidy passes. This gentle advice from TED speakers will help you look at the excess in your life, get rid of it, and restore some order to your space.

前《连线》杂志执行编辑托马斯·戈茨在TEDMED演讲后受到广泛关注，并由此创办了医疗数据可视化公司Iodine.com。该公司致力于将晦涩难懂的FDA药品说明重新设计为清晰易读的格式，帮助患者真正理解并利用医疗信息，做出更明智的健康决策。

Whisper it, but obsessive navel-gazing can be satisfying. Problem is, it can also be damaging. Organizational psychologist Tasha Eurich suggests ways to escape the loop of rumination and learn how to move forward for real.

本文汇集了一组有趣的数字：每年有价值126万美元的硬币被投入罗马特莱维喷泉；卢旺达全国仅有一家冰淇淋店；51%的美国人对大爆炸理论持怀疑态度；以及大脑以20至40赫兹的频率同步气味与记忆。

美国人对个人选择的极度推崇在全球独树一帜，这一观念深植于新教传统与自由市场理念之中。然而，法国餐厅拒绝换菜的小故事却引发了更深层的思考：对选择的痴迷究竟是一种自由，还是一种束缚？世界各地的文化对”如何做决策”有着截然不同的智慧。

“Moral imagination is the basis of an ethical framework for a world that recognizes our common humanity and insists on opportunity, choice and dignity for all of us,” says philanthropist Jacqueline Novogratz. She explains why it’s the key to unlocking transformative change, no matter where you are.

You won’t see these amazing animals on a day at the beach, but they’re there — living in the vast, cold, unexplored midwater region of the ocean. Learn about six of its residents and how they’ve adapted to life in the dark.