New clashes broke out today between Hamas and its main rival, Fatah, in Gaza and the West Bank. The World's Aaron Schachter reports that the Palestinians seem to be nearing the brink of civil war.

They're running their cars on coconuts in the Philippines! What's the best biofuel? How do they work? Cleaning Beijing for the Olympics. Regulating chemicals in Europe, and what that means for American companies. And a truly amazing new cure for blindness.

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Lisa Mullins tells us about a jazz festival held in Thailand in honor of the country's king.

Today's geoanswer is Manila, the capital of the Philippines, and the most densely populated city in the world. The World's Jason Margolis did some food-shopping in one of the city's crowded street markets.

For today's Geo Quiz we're going shopping.

Genevieve Oger has the story of a radio station in France that's encouraging the country's young people to use their votes, not violence, to channel their frustrations about French society.

US immigration officials launched a massive raid this week on meat-packing plants in six states. Nearly 1300 workers were arrested, most of them for being in the United States illegally. The plants are owned by the Swift company. Anchor Lisa Mullins speaks with reporter Paul Cuadros in Chapel Hill, North Carolina.

Anchor Lisa Mullins speaks with Amos Guiora, a retired lieutenant colonel in the Israeli defense forces, about today's Israeli Supreme Court ruling on so-called "targeted killings." That's the term used to describe the Israeli Army's practice of tracking and killing suspected militants. The court today refused to ban the practice.

Conspiracy theorists have long suspected that the death of Princess Diana was the result of a murder plot. Now the results of a police inquiry have been released. Anchor Lisa Mullins has the story.