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Large-scale hog operations get a bad environmental rap. But when it comes to processing the animals, the industry is a model of efficiency, making use of every last bit in sometimes surprising ways.

It all started in 1997, when two professors from the Karolinska Institute in Stockholm published an article on flatulence titled "Nitric Oxide and inflammation: The answer is blowing in the wind."

On Friday, a contractor intentionally set fire to an FAA air traffic facility that has caused flight delays and cancellations for days.

How long can you sit still in a desk? How about your 7-year-old? Maybe you could both use a break. A study shows that kids who get to run around and play after school are better at paying attention.

Spain's central government in Madrid had appealed to the court to stop the vote, which had been approved with strong support from Catalonia's parliament and local governments.

Robert Siegel is joined by author Nicholas Carr for a look at the future of automation and automobiles. Carr's new book, The Glass Cage, warns against the rise of automation in our lives.

Linguists try to understand the nuances of languages, and how they relate to one another. A computer scientist says the English mistakes of non-native speakers can reveal something about languages.

One Los Angeles school is working technology into the learning process while avoiding traditional screen-time pitfalls.

The civil disobedience movement has set an Oct. 1 deadline for the city's unpopular chief executive to meet their demands for democracy. The also want him to step down as leader of Hong Kong.

According to a 2013 Pew Research Center study, nearly a fourth of millennial Jews are keeping kosher. That's almost twice the rate of their baby-boomer parents.