In the June 15 "Human Nature" item on captchas (Completely Automated Public Turing Test To Tell Computers and Humans Apart), William Saletan originally said that test images had become so hard to decipher that a company's chief technology officer flunked 75 percent of them. The source article actually said that the CTO passed 75 percent of the tests, which were administered by Ticketmaster. This mistranslation inadvertently illustrates the article's point: the limits of human intelligence.

In the Related in Slate for the June 14 "Low Concept," Slate editors stated incorrectly that Steven Waldman had explained the similarities between Harry Potter and No Child Left Behind. He compared the Harry Potter books to the Left Behind books.

In the June 14 "Today's Blogs," David Sessions incorrectly stated that the Shiite mosque whose minarets were damaged in a bombing was called the Samarra mosque and was located in Baghdad. The mosque is called Askariya and is located in the city of Samarra, Iraq.

In the June 11 "Fighting Words," Christopher Hitchens misidentified the Toronto paper that carried a photograph of a crying Paris Hilton on the cover. It was the Toronto Sun, not the Toronto Star.

In the June 11 "Today's Papers," Ryan Grim mistakenly described a World Bank rain-forest protection program as costing $250 billion. It really costs $250 million.

In a June 10 "TV Club" entry, Timothy Noah misstated the name of the character played by Steve Van Zandt on The Sopranos. It's Silvio Dante, not "Silvio Conte."

If you believe you have found an inaccuracy in a Slatestory, please send an e-mail to corrections@slate.com, and we will investigate. General comments should be posted in "The Fray," our reader discussion forum.