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Geoffrey West: The Surprising Math of Cities and Corporations

Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In this mind-bending talk from TEDGlobal he shows how it works and how similar laws hold for organisms and corporations.


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Steve Jobs' 2005 Stanford Commencement Address

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Drawing from some of the most pivotal points in his life, Steve Jobs, chief executive officer and co-founder of Apple Computer and of Pixar Animation Studios, urged graduates to pursue their dreams and see the opportunities in life's setbacks -- including death itself -- at the university's 114th Commencement on June 12, 2005.

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The Hidden Power of Siblings: Jeff Kluger at TEDxAsheville

The Hidden Power of Siblings: Jeff Kluger at TEDxAsheville

This video features Jeffrey Kluger exploring the powerful bond between siblings.

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Faith Jegede: What I've Learned From My Autistic Brothers

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In this video, Faith Jegede tells the moving and funny story of growing up with her two brothers, both autistic.

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The Skin Gun

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A simple idea backed by stem cell research allows victims of severe burns to heal in merely days.

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