If you happen to be in Sioux City, Iowa at 7:30 p.m. on Tuesday, Oct. 16, be sure to catch Dubner's turn as the featured speaker for the 2007 Morningside College Peter Waitt Lecture. Admission is free -- though, unfortunately, no schwag will be provided.

Freakonomics: A Rogue Economist Explores the Hidden Side of Everything

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Their book Freakonomics has sold 3 million copies worldwide. This blog, begun in 2005, is meant to keep the conversation going. Melissa Lafsky is the site editor.

The Jane Fonda Effect

Dubner and Levitt look into the unintended consequences of Jane Fonda’s 1979 film The China Syndrome — i.e., how the anti-nuke movie may be partly to blame for global warming.

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If you love Lucinda Williams, as I do, and want more of her songs than presently exist, you would do well to get Carrie Rodriguez's Seven Angels on a Bicycle. There are a lot of similarities between Rodriguez and Williams, but Rodriguez plainly has her own wild thing going on. "50's French Movie," e.g., has a fantastically nasty groove. (SJD)

Mad Men is an amazingly rich new TV series on AMC, created by Sopranos writer/producer Matthew Weiner. Although it's set among advertising men in 1960, it isn't really about advertising any more than The Sopranos was about garbage collection. Great, nuanced writing, splendid acting, and so much smoking and drinking that you get a hangover just from watching. (SJD)

If you happen to need a haircut in Cambridge, Mass., try The Hair Connection. You will definitely get a great cut, and perhaps even find a spouse. (SDL)