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Why good ideas get trapped in the valley of death -- and how to rescue them | TED-Ed

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Why corporate diversity programs fail -- and how small tweaks can have big impact | Joan C. Williams

A NASA astronaut's lessons on fear, confidence and preparing for spaceflight | Megan McArthur

4 myths and misunderstandings about doing business in Africa | Nomava Zanazo

The giant leaps in language technology -- and who's left behind | Kalika Bali

The material that could change the world ... for a third time | TED-Ed

Mantua Township | Far Flung with Saleem Reshamwala

How we can curb climate change by spending two percent more on everything | Jens Burchardt