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Researchers found that dogs responded more slowly when volunteers expressed negative emotions — like frowny faces, harsh tones and creased brows — while pointing to treats.

For more on the effort to rescue the abducted Nigerian girls, Melissa Block speaks with Richard Downie, the deputy director of the Africa Program at the Center for Strategic and International Studies.

Shopping anywhere could take a hit if 3D printing takes off. That technology allows users to print products at home. Disposable underwear is the brain-child of an Israeli couple, whose 3D technology also enables them to print items like bandages or sportswear. Currently the fabric printers run about $3 million.

In an effort to stay relevant, the dictionary is being updated for the first time in nearly a decade.

Far from the glitz of South Beach or the tourist mecca of the Magic Kingdom is northern Florida. Information about the Affordable Care Act can be hard to come by for residents, many of whom are working poor and could benefit from the law.

Supplies are desperately low after a massive typhoon hit the Philippines. Linda Wertheimer talks to Lynette Lim of Save the Children in Manila about the catastrophic typhoon.

Fans of the critically acclaimed British period drama Downton Abbey are counting down the weeks until the fourth season airs on PBS's Masterpiece in January. They have even more to look forward to — the series has been renewed for a fifth season.

Leaders from tech giants like Google and PayPal say that the password as we know it is dead. So what's the future of authentication online? Apple is implementing fingerprint protection on iPhones, but questions linger about the security and feasibility of biometrics.

In Venezuela, a helicopter dropped grenades on the Supreme Court building in the latest wave of turmoil to hit the country.

The case against former University of Cincinnati police officer Ray Tensing has just ended in a mistrial. The jury was unable to reach agreement against Tensing for fatally shooting Sam DuBose during a traffic stop in 2015.