The first baby has been cured of HIV, researchers announced Sunday. The case was publicly unveiled at the 2013 Conference on Retroviruses and Opportunistic Infections in Atlanta. The infant, who is now two and a half years old,…

The self-imposed March 1 deadline to broker a deal to avert across-the-board budget cuts in discretionary spending known as sequestration has passed and lawmakers have left town for the weekend. NewsHour is talking with our public media partner stations…

The ocean, by some estimates, holds enough salt to cover the entire surface of the Earth, layered to the height of a 40-story office building. Much of the salt in the ocean comes from rock that gets…

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