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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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Hannah Brencher: Love Letters to Strangers

Hannah Brencher's mother always wrote her letters. So when she felt herself bottom into depression after college, she did what felt natural -- she wrote love letters and left them for strangers to find. The act has become a global initiative, The World Needs More Love Letters, which rushes handwritten letters to those in need of a boost.

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Vedic Astrology Basics with Howard Beckman 2

What can a vedic astrologer tell you? Howard Beckman of Vedicworld.org discusses the knowledge of the soul and the science of timing.

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Optical Illusion: Perspective is Everything

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

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Alexander Tsiaras: Conception to Birth - Visualized

Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)

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A Beautiful Relationship - Savannah Cat MAGIC and Andreas Stucki

This is a short video about the world's tallest domestic cat, MAGIC (and probably the biggest - yet to be confirmed at 27-9-09) and Andreas Stucki the charming son of Martin and Kathrin Stucki. MAGIC is a F1 Savannah cat bred and raised at A1 Savannahs and now owned by Bella Gattini Cattery owned and run by Lee and Kim Draper.

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