Why earthquake engineer Tiziana Rossetto is building a 100-meter concrete flume in a lab in the UK; it might help protect us against the next big tsunami.

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British psychologist Elizabeth Stokoe studies the patterns in talk that most of us don’t even notice. She explains how her research can be used to train people to interact more effectively.

Illustration by Dawn Kim/TED | ideas.ted.com

Timothy Doner started teaching himself to speak in other languages when he was 13, and was quickly hailed as a prodigy for his linguistic proficiency. But as he soon realized, there’s more to fluency than being able to barter over kebabs in Arabic or order from a menu in Hindi.

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Did Michael Brown receive the death penalty — only without any recourse to a fair trial? Criminal sentencing scholar Jelani Exum thinks so. Hear more from her along with 9 other provocative, thought-provoking takes on contemporary race issues within America.

If English teacher (and citizen scientist) Hanny van Arkel can discover a rare astronomical object in her spare time, maybe you can too.

Cloud robotics, belief space, and more ideas from the robot future.

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Leadership expert Simon Sinek expands on his massively popular talk with five books and two documentaries that inspire him.