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Fat Edition: Is the Obesity Epidemic for Real?

We’ve just completed our second full-length podcast. It’s called “Is America’s Obesity Epidemic for Real?” Read More »



The Origins of “Cap and Trade”

Foreign Policy explores the history of “cap and trade” – the phrase and the concept. Read More »



Quotes Uncovered: Great Scott and Book Burners

Each week, I’ve been 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 research. Here is the latest round. Read More »



Why Do so Few Men Graduate College in Their Early Twenties?

Among 22-year-olds, there are 185 female college graduates for every 100 male graduates. This statistic, however, is a little misleading. Read More »