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The space agency has announced plans to grow turnips, basil and cress on the moon by 2015. The experiment could be good news for astronauts sick of their freeze-dried fare. But researchers say the real goal is to see if humans could one day live — and farm — on the moon.

If your computer is infected with malware, disconnecting it from the Internet is one of the first steps you should take. But someday, even that may not protect it.

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.

Instead of traveling alongside picturesque beaches, this boat takes passengers on a tour of the nation's busiest shipping terminal. The sightseeing includes sea lions and trash, juxtaposing Long Beach's commercial might with a fragile ecosystem.

New York launched a bike-sharing system this week, and Chicago and San Francisco are expected to launch similar systems this summer. Gabe Klein, who helped start Washington's pioneering Capital Bikeshare, expects we'll see more cycling "across the board."

Chinese leaders and the state-run media keep talking about the Chinese dream. So NPR's Beijing bureau asked the Chinese to define their dreams. Here's what they said.

An internal audit of the spy agency turned up many cases of "unauthorized surveillance of Americans or foreign intelligence targets in the United States," The Washington Post reports. Documents supplied by "NSA leaker" Edward Snowden add new details to the scope of U.S. surveillance programs.

The U.S. rose to fifth position overall from seventh last year in the World Economic Forum's latest survey. Switzerland retained the top spot.

In the latest of many conversations with policymakers about the economy, federal deficits and the debt, NPR hears from the former Clinton-era Treasury secretary who went on to be a top economic adviser in the Obama White House.

Just in time for college students returning to their dorms: an eco-friendly showerhead that reminds users they're wasting water by lingering.