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Uber is using machine learning to predict high demand, which would allow the app to schedule extra drivers instead of hiking rates at busy times. But such a change would hurt driver pay.

In his final speech before the U.N. General Assembly, President Obama called for a "course-correction" in the fight against extremism and for greater attention to climate change.

A Pulitzer Prize-winning photo taken during the busing desegregation protests captured a nation. The photographer and subject of "The Soiling of Old Glory" talk about its significance 40 years on.

Michel Martin interviews Kaya Henderson, who has served as chancellor for D.C. Public Schools for six years and will step down on Oct. 1.

Champagne shouldn't be just for special occasions, says wine writer David White. He explains how to choose it, how to pair it with food and how small growers are changing the industry.

People with tree-trunk-like legs who can't lose weight through diet and exercise may have lipedema, a lymphatic disorder. It's not clear what causes it, and most doctors aren't familiar with it.

There are deep emotions in the African-American community behind this election's lopsided poll numbers: dissatisfaction, nostalgia, and even disgust.

Thousands of Atlanta students were affected by the cheating scandal in which test scores were falsified. Years later, those who remain are now receiving special services.

Plans to expand the border crossing could bulldoze over a longstanding market where many food vendors have made their living — and in some cases, their homes — for years, if not generations.

Developers at Akili are working on a game they hope might one day be prescribed to treat mental health conditions like ADHD and depression. But first, they must get past the FDA.