Geoffrey West: The surprising math of cities and corporations

http://www.ted.com 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.... Read More إقرأ المزيد | Share it now!

Rory Stewart: Time to end the war in Afghanistan

http://www.ted.com British MP Rory Stewart walked across Afghanistan after 9/11, talking with citizens and warlords alike. Now, a decade later, he asks: Why are Western and coalition forces still fighting there? He shares lessons from past military interventions that worked — Bosnia, for instance — and shows that humility and local expertise are the keys to success.... Read More إقرأ المزيد | Share it now!