Topic: Johns Hopkins University

5 national security issues next president must tackle

President Obama and Mitt Romney battle over foreign policy issues in the third and final presidential debate. No matter who wins the presidential election November 6, Mr. Romney or Mr. Obama will have to confront five urgent national security issues in the first weeks of his term.

The 20 most fascinating accidental inventions

Most inventors strive for weeks, months, or years to perfect their products. (Thomas Edison tried thousands of different light bulb filaments before arriving at the ideal mixture of tungsten.) But sometimes, brilliance strikes by accident. Here's a salute to the scientists, chefs, and everyday folk who stumbled upon greatness – and, more important, shared their mistakes with the world.UPDATE: After great reader feedback, we've added five additional accidental inventions: Stainless steel, plastic, ice cream cones, Post-it Notes, and matches.

Three factors that will determine Syria’s future

The most realistic scenario in Syria is quagmire: Assad still has loyalty; the opposition is splintered, though protests continue; and the international community is indecisive, including the Arab League. But stalemate could finally prompt foreign intervention and a needed ‘safe zone. Benedetta Berti, a fellow at the Institute for National Security Studies of Tel Aviv University, lists the three factors that will determine Syria’s future.

Palestinian statehood: why Arabs have turned on Obama