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For Economic Growth, Does Penis Size Matter More Than Political System?

In SuperFreakonomics Illustrated, we published this penis-flag chart in the context of a discussion about how ill-fitting condoms failed to protect men and women alike in countries including India. The fact is that reliable penis-size data is notoriously hard difficult to come by get. Here’s one website that aggregates data from around the world, and here are its data sources.

Using those data, Tatu Westling of the University of Helsinki has written a paper called “Male Organ and Economic Growth: Does Size Matter”? Please do take this with a sizable grain of salt. Read More »



FREAK-est Links

Using science for art, and art for science. How much does it cost to go to Hogwarts? Stephen Hawking: If we can colonize space within 200 years, humans will survive. World map: 7 billion people and their income. Creating a market for cigarette butts: at $3 a pound, it’s well worth it. Monkeys and fair Read More »



Who Should Play Stephen Dubner in Turbulent Souls Film?

Stephen Dubner’s first book, Turbulent Souls, has been optioned by The Group Entertainment (Variety‘s report here), with writer Larry Gross (48 Hours, True Crime, We Don’t Live Here Anymore) to adapt the memoir for the big screen. Not that we have a say in this, but just for fun we’d like to find out which actor Freakonomics readers think should play the Dubner in the film. Read More »



A Picture’s Worth a Thousand Words

I’m back to inviting readers to submit quotations whose origins they want me to try to trace, using my book, The Yale Book of Quotations, and my more recent researches.

Ed Catlett asked:

“People often say ‘A picture is worth a thousand words.’ I believe the original quote was actually ‘A picture is worth ten thousand words’ as stated by Fred R. Barnard, of Printers’ Ink, 10 March 1927. Which is correct?”

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