In a July 21 "Culturebox," Seth Colter Walls misidentified the font on the cover of the Steve Reich album WTC 9/11. It's Gotham, not Gothic.

In the July 20 "Jurisprudence," Dahlia Lithwick incorrectly attributed an interview of retired Supreme Court Justice John Paul Stevens to AARP magazine. The interview appeared on Inside E Street.

In the July 20 "Slate Labs," Christina Gossmann reversed the annotations on two patches on astronaut Doug Hurley's flight suit.

In the July 20 "Technology," Farhad Manjoo stated that Chuck Grassley represents Nebraska in the Senate. Grassley represents Iowa.

In a July 18 "Politics," David Weigel misstated the number of Rebuild the Dream house parties over the weekend of July 16. There were 1,600, not 15,000.

In the July 18 "War Stories," Fred Kaplan misreported Gen. John Allen's first name.

In the July 15 "Human Nature," William Saletan initially reported R values in a gaydar study as a linear representation of students' accuracy in guessing the sexual orientations of men in photographs. This was a misunderstanding of R values. R values are the square root of the percentage of variance in one thing that can be explained by variance in another. So an R value of 0.31 signifies not that students were 65 percent accurate in guessing men's orientations, but that the men's orientations accounted for about 9 percent of the variance in the students' guesses. The paper summarizing the experiments argues that the R values, statistically, are significantly better than chance. But no accuracy rate can be directly computed from the data presented in the paper.

In the July 15 "Press Box," Jack Shafer mistakenly stated that Conrad Black is currently in prison. He is out on bail after serving 29 months but will return to prison in September to serve 13 more months.

In the July 15 "Transport," Tom Vanderbilt misstated the modes of transport used by Top Gear competitors in their race across London. May took a boat, Clarkson a car, and the Stig public transit.

Slate strives to correct all errors of fact. If you've seen an error in our pages, let us know at corrections@slate.com. General comments should be posted in our reader discussion forum "The Fray" or our comments sections at the bottom of each article.

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