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At the Heartland Biogas Project, spoiled milk, old pet food and vats of grease combine with helpful bacteria in massive tanks to generate gas. It's all thanks to anaerobic digestion.

Trump demands that Mexico pay up to $10 billion or risk the cutting off of wire transfers from the U.S. to Mexico and a cancellation of business and tourist visas for Mexican citizens.

At a time when tensions are running high in the South China Sea, Indonesia used explosives to destroy more than 20 foreign fishing boats caught poaching recently in its waters.

The NFL hopes to reach a broader audience, including those who don't have cable, while Twitter is looking to attract and keep new users.

There's now limited reconstruction in the territory that was badly damaged in the 2014 war with Israel. But it's very uneven, depending on factors like whether money comes from Qatar or Kuwait.

Doctors and other health providers are slowly adding patients' self-reports to the tests and exams used to make decisions about care.

The openly gay gold-medal winner said the box "means so much more to me than it would have then because I feel like I'm being embraced as a whole person, not just for my athletic achievements."

Los Angeles can seem like a company town, dominated by the movie business. But the area is dotted with oil wells — landmarks of a key industry in the region. Now plunging prices are taking their toll.

The senator's win puts another speed bump in the way of front-runner Donald Trump. Bernie Sanders leads in early returns for the Democratic primary.

Exit polling shows Sens. Ted Cruz and Bernie Sanders leading in the state, says NPR's Ron Elving.