e-Tarocchi Logo

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:

Esther Perel: The Secret to Desire in a Long-Term Relationship

This video is a short lecture by Esther Perel about The secret to desire in a long-term relationship.

View Video

Sunni Brown: Doodlers, Unite!

Studies show that sketching and doodling improve our comprehension -- and our creative thinking. So why do we still feel embarrassed when we're caught doodling in a meeting? Sunni Brown says: Doodlers, unite! She makes the case for unlocking your brain via pad and pen.

View Video

Louie Schwartzberg: Nature. Beauty. Gratitude.

Louie Schwartzberg is an award-winning cinematographer, director, and producer whose notable career spans more than three decades providing breathtaking imagery for feature films, television shows, documentaries and commercials.

View Video

Sarah Kay: If I Should Have a Daughter ...

"If I should have a daughter, instead of Mom, she's gonna call me Point B ... " began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed teenager soaking in verse at New York's Bowery Poetry Club to a teacher connecting kids with the power of self-expression through Project V.O.I.C.E. -- and gives two breathtaking performances of "B" and "Hiroshima."

View Video

Optical Illusion: Perspective is Everything

Definition of "illusion": something that deceives by producing a false or misleading impression of reality.

View Video

 

View All Videos