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Solar sponge: The top layer of graphite soaks up the sun's energy in tiny holes. When drops of liquid fill the holes, the water quickly evaporates. (The beaker looks hot, but the water below the sponge is cool as a cucumber.)

Cheap Drinking Water From The Sun, Aided By A Pop Of Pencil Shavings

Engineers have developed a low-cost material that efficiently sterilizes and desalinates water using only solar energy. The secret to the new technology is likely sitting right on your desk.

Israel declared as state land this week nearly 1,000 acres in the West Bank, beginning the process to build settlements in more areas Palestinians say should be part of a future Palestinian country. Here, a general view of construction of new housing units in the Israeli settlement of Beitar Illit, which borders some of the appropriated land.

As The Gaza Strip Calms Down, The West Bank Heats Up

The shooting has stopped in Gaza, but the Israelis and Palestinians are now at odds over a large chunk of West Bank land where Israel plans to build more homes for settlers.

U.S. President Barack Obama talks to reporters at the end of the NATO Summit on September 5, 2014 in Newport, Wales. (Peter Macdiarmid/Getty Images)

As NATO Summit Wraps Up, Solutions Emerge

NPR’s Scott Horsley discusses President Obama’s address today and how world leaders hope to resolve the crises around the world.

Evan Kuz was visiting New York City for the first time from Canada. As the dark storm rolled in on the late afternoon of Sept 10th, he took this photo from the Ferry near Liberty Island. He later had coffee at Windows On the World that evening. It's something he'll carry with him for the rest of the life he says. (Evan Kuz via National Geographic)

The Day Before The Day That Changed Everything

A new film on the National Geographic Channel called "9/10: The Final Hours" focuses on the day before 9/11.

Joan Rivers attends the Tribeca Film Festival in 2010 in New York.

With Age, Joan Rivers Learned To Say Anything: 'It Has Freed Me Totally'

The comedian died Thursday at the age of 81. Rivers talked with Fresh Air in 1991, 2010 and 2012 about how her comedy evolved — and why she didn't care what others thought of her.

Charter Plane Carrying Americans Ordered To Land In Iran

A senior State Department official says the flight from Bagram Air Field in Afghanistan was rerouted because of a "bureaucratic issue." The State Department says the plane has now landed in Dubai.

Jessica Pimentel fills out an application during a job fair in Sunrise, Fla. The latest employment numbers indicate a slowdown in job growth, but many economists are skeptical that the economy is weakening.

A Disappointing Jobs Report May Mask Economy's Strength

The latest labor report indicates a slowdown in job growth, but many economists aren't buying it. They say other data paint a stronger picture, but the jobs numbers may delay higher interest rates.

Kylen Davis, James Franco and Loretta Devine in Franco's <em>The Sound And The Fury</em>.

Toronto, Day 2: Franco And Faulkner, Love, And A Steely Patricia Clarkson

James Franco adapts The Sound And The Fury, a Chinese drama speaks richly to love and separation, and Patricia Clarkson defends her home from Tim Roth.

Q&A: Dana Goldstein, Author, 'The Teacher Wars'

Testing, tenure, pay, standards, business influence, poverty and inequality — the big education issues have been with us a long time, according to a new book.

Defensive tackle Devon Still says that being on the Cincinnati Bengals' practice squad will let him keep his insurance — and to stay close to his daughter, who's battling cancer.

Bengals' Signing Of Player Will Let Him Pay For Daughter's Cancer Care

For Devon Still, the Cincinnati Bengals' decision means he'll be able to stay close to his daughter — and it will help pay the roughly $1 million her fight against cancer will require.

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