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San Diego's history as a gem mining and gem producing center is one of the county's best-kept secrets. The new exhibit called ALL THAT GLITTERS at the San Diego Natural History museum uncovers those sparkling secrets. We'll speak with the exhibit's curator and the owner of a present-day gem mine in San Diego.

Researchers at the American Museum of Natural History in New York City have identified a specific section of DNA that seems to be unique to each species. Using this "barcode," they can evaluate meat and skin samples to determine if they came from an endangered species.

Pledging "to seek a new beginning between the United States and Muslims," President Obama reached out to the world's 1.5 billion followers of Islam Thursday, addressing an appreciative crowd at Cairo University.

From High to Mid to Low Culture: Is There a Difference?

Drivers in Spain were once considered to be among the most dangerous in Europe, but they seem to be getting better. Traffic deaths in Spain have dropped by around 30 percent in recent years. Part of the reason could be tougher point-based driving laws.

I Vote to Eliminate This Category

It's been a year of frustration on Capitol Hill with constant battles over money, the partisanship in Congress and legislative gridlock. It certainly doesn't look like the system of government the Founding Fathers envisioned in the Constitution. But should the politicians be blamed, or the system they were handed?

When the Olympics are in far-off locations, some listeners get mad at the airing of results of events before they've aired on TV in the United States. Anticipating the blowback, here is an explanation for why this is done.

The wildflowers are blooming in the Anza-Borrego Desert State Park. KPBS News Reporter Sharon Heilbrunn takes you on a tour of the natural wonders of the park.

The Department of Homeland Security's recent waiver of laws along hundreds of miles of the U.S. Mexico border puts endangered plant and animal species in Southern California at further risk. KPBS Repo