The image of Pope Francis ended up on these slices of toast thanks to a special toaster with metal stencillike inserts. But in most cases where people report seeing faces in their food, their brain is behind the illusion. Katie Colaneri/WHYY hide caption

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Among bishops and priests, Pope Francis is in familiar — and lighthearted — territory. But among non-Catholics in the U.S., the pope's comments have also generated significant enthusiasm. Vincenzo Pinto/AFP/Getty Images hide caption

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Henry Holt and Co.

Pope Francis waves to faithful as he arrives for his weekly general audience in St. Peter's Square at the Vatican on Wednesday. Riccardo De Luca/AP hide caption

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Monsignor Daniel Gallagher, a Latin expert at the Vatican, says people from all walks of life are following the pope's Twitter feed in Latin. Sylvia Poggioli/NPR hide caption

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The newly elected Pope Francis appears on the main balcony of St Peter's Basilica. His name was chosen after St. Francis of Assisi, the Vatican says. L'Osservatore Romano/Getty Images hide caption

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