By sequencing a newborn's genome, doctors could screen for more genetic conditions. But parents could be confronted with confusing or ambiguous data about their baby's health. iStockphoto.com hide caption

Archaeologists call an excavation site on Istanbul's southern shore the world's largest shipwreck collection. The area, unearthed during construction of a railway station, was once a Byzantine-era port that harbored cargo and military vessels, and received goods from around the Mediterranean. Gokce Saracoglu for NPR hide caption

A schoolgirl participates in a lesson in Kilifi, about 30 miles northeast of Mombasa on Kenya's Swahili Coast, in 2010. Tony Karumba/AFP/Getty Images hide caption

Greek artist B. calls his mural "a sea of objects." It was added to Wynwood Walls in 2011. Greg Allen/NPR hide caption

Rajiv Shah (left), the head of USAID, speaks with children during a visit at the Oncupinar Syrian refugee camp in Turkey, near the Syrian border, on Nov. 27. Adem Altan/AFP/Getty Images hide caption

Egyptian protesters hold a banner depicting Morsi as a pharaoh, during a rally expressing opposition to Morsi's decrees, in Cairo, on Nov. 23. Andre Pain/EPA/Landov hide caption

This photo, taken by NASA's Curiosity rover, shows Mars' Gale Crater, where the rover has taken samples for chemical analysis. Scientists believe that at some point in the very distant past, there was a riverbed here. AP hide caption

Rabbi A. Romi Cohn, a noted mohel, prepares an infant for circumcision at Congregation Shaare Zion in Brooklyn on Sept. 4. Cohn opposes a New York City rule requiring parental consent for a type of circumcision ritual practiced by some Orthodox Jews. Michael Nagle for The New York Times/Redux hide caption

The new Microsoft Surface tablet on display after a press conference in New York in October. The Microsoft tablet goes up against products from Apple, Amazon and Google. Timothy A. Clary/AFP/Getty Images hide caption

People originally from northern Mali carry signs that call for military action to retake that part of the country, now under the control of Islamist militants. The rally was held in Mali's capital, Bamako, in October. Harouna Traore/AP hide caption