Simon Sinek: How great leaders inspire action

Simon Sinek has a simple but powerful model for inspirational leadership all starting with a golden circle and the question “Why?” His examples include Apple, Martin Luther King, and the Wright brothers — and as a counterpoint Tivo, which (until a recent court victory that tripled its stock price) appeared to be struggling.
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Inspiring, Leadership

Elizabeth Pisani: Sex, drugs and HIV – let’s get rational

Armed with bracing logic, wit and her “public-health nerd” glasses, reveals the myriad of inconsistencies in today’s political systems that prevent our dollars from effectively fighting the spread of HIV. Her research with at-risk populations — from junkies in prison to sex workers on the street in Cambodia — demonstrates the sometimes counter-intuitive measures that could stall the spread of this devastating disease.
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Inspiring, Social

Dennis Hong: My 7 species of robot

At TEDxNASA, Dennis Hong introduces seven award-winnning, all-terrain robots — like the humanoid, soccer-playing DARwIn and the cliff-gripping CLIMBeR — all built by his team at RoMeLa, Virginia Tech. Watch to the end to hear the five creative secrets to his lab’s incredible technical success.
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Business, Innovation, Technology

Jonathan Drori: Every pollen grain has a story

Pollen goes unnoticed by most of us, except when hay fever strikes. But microscopes reveal it comes in stunning colors and shapes — and travels remarkably well. Jonathan Drori gives an up-close glimpse of these fascinating flecks of plant courtship.
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Innovation, Technology

Dean Kamen: The emotion behind invention

Soldiers who’ve lost limbs in service face a daily struggle unimaginable to most of us. At , Dean Kamen talks about the profound people and stories that motivated his work to give parts of their lives back with his design for a remarkable prosthetic arm.
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Design, Innovation, Inspiring