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Quotes Uncovered: Who First Took Things With a Grain of Salt?

A while back, I invited readers to submit quotations for which they wanted me to try to trace the origins, using The Yale Book of Quotations and more recent research by me. Hundreds of people have responded via comments or e-mails. I am responding as best I can, a few per week. Read More »



How Much Do Protests Matter? A Freakonomics Quorum

Iran’s citizens take to the streets en masse after a disputed election. Gay men in Salt Lake City hold a kissing protest. Members of the Westboro Baptist Church voice their anti-just-about-everything views to military funerals and elsewhere.

Beyond the media attention they inevitably garner, what do protests actually accomplish? Read More »



Fight Spam With Pennies

Fight spam by donating to your favorite charity. That’s how researchers at Yahoo are hoping to convince people to put a virtual one-cent stamp on their outgoing e-mails. Sending a penny-stamped e-mail through Yahoo’s (not yet released) CentMail program would automatically mark it as “real mail” and get it past any spam filters. Read More »



Observational Detectives

Lisa Sanders, the diagnosis columnist for New York Times Magazine (and, I should disclose, my close friend), has just published a truly interesting book, Every Patient Tells A Story, on how good doctors go about making difficult diagnoses. Read More »