Terry Gross

Online dating sites are now a multibillion-dollar industry. But how do they match people together? New Yorker writer Nick Paumgarten recently profiled several of the major online dating websites to find out how they pair people with compatible romantic mates.

In his new book, Tomatoland, food writer Barry Estabrook details the life of the mass-produced tomato — and the environmental and human costs of the tomato industry. Today's tomatoes, he says, are bred for shipping and not for taste.

Philadelphia Inquirer reporter Martha Woodall details her ongoing investigation into Philadelphia's charter school system, where 19 of the 74 charter schools operating in the city are under investigation for fraud, financial mismanagement and conflicts of interest.