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Researchers in South Africa tracked how the evolution of the virus in two infected woman shaped the antibodies they produced to fight it. Several months after infection, the researchers saw that the patients had developed more "broadly neutralizing antibodies," which target different versions of the virus.

So, is there ever a time when a doctor might suggest that you get a little more salt in your diet? It probably won’t come to that, but most salt sold in…

The video shows a teacher schooling his kids with an old school move that wows the students.

Cairo is the city that never sleeps. It's routine for people of all ages to go out late at night. But the Egyptian government wants to turn off the lights earlier to conserve erratic electricity supplies. Egyptians aren't happy and say it would change Cairo's character.

When Chicago Tribune columnist Mary Schmich used the word "slacks" in a recent column, a reader commented: "Slacks? How old are you?" It got Schmich thinking about the words we choose and how much those choices can reveal about our age. Tell us: What are the words you use that date you?

Former South Dakota Sen. George McGovern died Sunday at the age of 90. A liberal icon, he made two failed bids for president, but remained active and worked for several organizations battling world hunger. NPR's Ron Elving and Jill Callison of The Argus Leader discuss McGovern's politics and legacy.

Foreign policy takes center stage in 2012's final presidential debate. Whoever wins on November 6th faces difficult challenges on Libya, Syria, China and other issues. At the top of the list: What the U.S. should do about Iran's nuclear ambitions.

In January, DuVernay became the first African-American woman to win Sundance's best directing award for her second feature-length film, Middle of Nowhere. It's about a young woman who puts her life and dreams of going to medical school on hold while her husband is in prison.

In a world of Facebook and TMZ, mug shots are as popular as ever. There are entire tabloids dedicated to the latest arrest snapshots. But in one North Carolina county, mugging too much for a mug shot can get you locked in a cell indefinitely.

Some Vermont faith communities are adding their voice to the discussion about immigrant farm workers in Vermont.The Vermont Ecumenical Council and Bible…