In a slide show accompanying his series "The Great Divergence," Timothy Noah stated that economists Claudia Goldin and Robert Margo termed the period of ever-more-equal incomes from 1940 to 1973 the "Great Convergence." The term Goldin and Margo used was the "Great Compression."

In the Sept. 15 "Creative Pairs," Joshua Wolf Shenk originally referred to Carl Perkins as Chet Perkins.

In the Sept. 14 " Green Lantern," Brian Palmer stated that a plug-in air freshener uses about a barrel's worth of oil in annual energy consumption. It uses half a gallon of oil's worth of energy.

In a Sept. 14 " Slatest" item, Ben Whitford misspelled the first name of Rafael Nadal.

In the Sept. 13 installment of his "Great Divergence" series, Timothy Noah misidentified MIT economist Peter Temin as Peter Temlin. The error resulted from a typo on the cover of Levy and Temin's paper as it appears on an MIT Web site.

In a Sept. 13 " Politics," David Weigel misspelled Sen. Kirsten Gillibrand's name. He also misdescribed a political advertisement, which shows a nuclear missile taking off from Iran, not Iraq.

In the Sept. 10 " Press Box," Jack Shafer misspelled the name of Jane Clayson of CBS.

In the Aug. 26 " Science," Daniel Lametti incorrectly described a $688 Japanese toilet that lets users switch among different squatting and sitting postures. The device is from Singapore.

If you believe you have found an inaccuracy in a Slate story, 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, or our comments sections at the bottom of each article. Like Slate on Facebook. Follow us on Twitter.