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Researchers in Tokyo have put a new twist on the use of sound to suspend objects in air. They've used ultrasonic standing waves to trap pieces of wood, metal and water – and even move them around.

The New York Times and Britain's The Guardian have published editorials saying accused spy Edward Snowden has sparked an important debate about the proper limits of electronic surveillance.

The Justice Department will answer a challenge to a provision in the law requiring most employers that offer health insurance to include birth control at no cost. A group of Catholic nuns objects to the provision, and they won a temporary reprieve from Supreme Court Justice Sonia Sotomayor.

Malaria remains one of the deadliest diseases worldwide. But the U.S. successfully wiped out the mosquito-borne parasite from the American South in the early part of the 20th century. One researcher thinks this successful campaign offers lessons for how to stop malaria worldwide.

Using airstrikes and ground troops, the Iraqi military is fighting to quell an armed uprising by al-Qaida-linked militias in the country's western Anbar province. David Greene talks to Will Dunlop, a reporter for the French press agency, for an update.

On a snowy day, kids want to know about school. Why not ask someone with good sources like Dante de Blasio, the teenage son of New York City's new mayor. A screenshot of a chat, reportedly from his Facebook page, went viral. A friend asked if school would be canceled. Dante replied, "I'm trying (to) convince my dad."

A Chinese icebreaker that helped rescue 52 adventurers from another ship says it may not be able to get back to open waters. An Australian icebreaker — to which the adventurers were evacuated — i staying nearby in case its assistance is needed. So the

Workers from the sector, Cambodia's biggest export earner, want the country's minimum wage doubled. Protests by garment workers are not unusual, but Friday's violence represents an escalation, and comes amid growing demonstrations against Prime Minister Hun Sen's government.

World War II is often thought of as a good and just war — a war the U.S. had to fight. But it wasn't that simple. Public debate was heated between interventionism, which President Roosevelt supported, and isolationism, which aviator Charles Lindbergh became an unofficial spokesman for.

The year ahead offers much more political catnip than 2013. Aside from a full roster of House, Senate and gubernatorial races, 2014 is shaping up as another critical period for the Affordable Care Act.