Today on The World: More than 100 people are reported killed after an earthquake in central Italy; Also, President Obama's big speech in Turkey today; And a German effort to encourage young people to become urban bee-keepers.

An earthquake struck central Italy this morning. The quake was centered near the medieval city of L'Aquila, about 60 miles northeast of Rome. Italian authorities say about a 100 people were killed and at least 1500 have been injured. Anchor Lisa Mullins speaks with the BBC's Dominic Hughes in central Italy.

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It's been widely reported that an Italian seismologist predicted today's earthquake. But there's debate within the scientific community as to whether that's really possible. Anchor Lisa Mullins speaks with Nano Seeber, a seismologist at the Lamont-Doherty Earth Observatory at Columbia University.

President Obama finishes off his first overseas tour as president with a stop in Turkey. Mr. Obama delivered a speech there today, calling Turkey a "critical ally," and he's getting good reviews there. The World's Aaron Schachter reports.

The World's Mary Kay Magistad has the latest from the UN-backed trial of former Khmer Rouge officials being held in Cambodia. Today's proceedings opened under a cloud of corruption and accusations of political interference.

Cyrus Farivar reports from Lyon, France, on a virtual reality game based on the 1980s video game PacMan. It's called Urban PacMan.

Anchor Lisa Mullins speaks with The World's Matthew Bell about this weekend's reported rocket launch in North Korea. North Korea's state-run media hailed the country's satellite launch as a success. But U.S. and South Korean sources say the launch failed to put anything into orbit.

North Korea's strategic arsenal

Anchor Lisa Mullins tells us about two memorable North Korean statements -- one about the rocket launch reported this weekend, the other about a recent defeat on the soccer field.

The World's Lorne Matalon reports on the ongoing dispute between Mexico and the United States over trade. The US is keeping Mexican trucks from going more than 25 miles north of the border. Mexico is replying with tariffs on a list of US goods normally exported to Mexico.

Our daily geography quiz.