In the March 18 "Architecture," Witold Rybczynski misspelled the name of Detroit's Fisher Building.

In the March 18 "Human Nature," about an IVF embryo mix-up in Japan, William Saletan asked whether it was the world's first wrong-embryo pregnancy. A reader subsequently pointed out a previous such pregnancy, which led Saletan to find several other mix-ups that had ended in births or, in one case, immediate post-transfer expulsion of the embryos.

In a March 17 "Jurisprudence," Darius Rejali misspelled, and thus changed the meaning, of tehuacanazo.

In the March 17 "XX Factor XXtra," Dahlia Lithwick misattributed Anne Baxter's role in All About Eve to Anne Bancroft.

In the March 13 "Spectator," Ron Rosenbaum misspelled the last name of Robert Earl Keen.

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.