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.
Other Videos That May Interest You:
Why Good Leaders Make You Feel Safe
What makes a great leader? Management theorist Simon Sinek suggests, it's someone who makes their employees feel secure, who draws staffers into a circle of trust. But creating trust and safety - especially in an uneven economy - means taking on big responsibility.
Ai Weiwei: 'Life is never guaranteed to be safe'
Ai Weiwei, the Chinese artist who will soon take over Tate Modern's Turbine Hall, on why he wants to tell people that it's OK to speak out.
Living Goddess - Zeffi Kefala
Zeffi Kefala is a native Greek who has been living in the U.S. for the past twenty-four years. At the age of nine, she was able to read cards for her mother's friends and things would occur that she predicted - but for her at the time it was all in fun. Her life would take many turns before coming back to her gifts.
Ramona Pierson: An Unexpected Place of Healing
When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.
iO Tillett Wright: Fifty Shades of Gay
Photographer iO Tillett Wright grew up between genders and sexualities. She's shot 2,000 people who consider themselves somewhere on the LBGTQ spectrum and asked many: can they assign a percentage to how gay or straight they are?