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Hugo Chávez, who had a tumor removed in June, said he had no proof but said he wouldn't be surprised if the U.S. had invented technology to spread cancer.

For the first time since Harry Truman was president, the country is exporting more petroleum products than it imports. Domestic demand for diesel and gasoline is down while production is up. That's made it difficult for some refineries to stay in business.

Republican voters — especially the undecided ones we've been seeking out — are dead serious, not easily moved to applause, and pressing for answers as thoughtful as their questions, and signs they've found a candidate they believe can lead — and can win next fall.

The North Korean Central News Agency apparently deployed its latest weapon — Photoshop — to digitally remove a small group of mourners from the left edge of the funeral photo. The people watching Wednesday's procession were replaced by pristine snow.

Asghar Farhadi's film is a beautifully crafted, fascinating thing, both as a portrait of modern Iranian society and as a twisty family drama. (Recommended)

Russian musician, producer and public activist Vasily Shumov talks with Robert Siegel about popular protest songs that have grown out of the recent political uprising in Russia.

Saving money and lives, as well as improving national security, are the goals behind a U.S. military initiative to reduce its reliance on fossil fuels. At one outpost in remote Afghanistan, Marines are using solar power; the Navy is also experimenting with biofuels.

Surgeons make full-face transplants a reality for people with severely disfigured faces. Three such operations were performed successfully in Boston this year, a turning point in the field.

A manned moon mission is still far off. Experts believe it would happen after 2020.

An Arab League monitoring mission is visiting Homs and Hama, major centers of Syria's anti-government uprising, and witnessed violence firsthand. Activists say at least 40 protesters were killed by security forces Thursday. The presence of the monitors has emboldened the protesters, who are chronicling their struggle in videos.