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What are the most significant things that have happened over the last decade? Did the 2000s live up to our expectations? And, what are the predictions for the next decade? We speak to a futurist and an expert on computer science about the 2000s and beyond.

From black-tie-only ocean views to mid-century mod in the desert, there are many ways to celebrate V-day this year, for both the besotted and singletons alike.

Is privacy still possible? For a lot of people, the answer is no, as companies collect personal data in ever-increasing volumes. It flows from online sources — everything from gambling sites to dating services. Even some of your medical information is fair game.

Where is climate change currently happening on Earth, and what's causing those changes to occur? We speak to a physicist from the Jet Propulsion Laboratory about where major climate changes are taking place, and how climate modeling helps to predict future changes in our atmosphere.

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The July/August edition of

Intelligence officials have long hoped that data mining — collecting vast amounts of personal information — would uncover some sort of discernable terrorist pattern. But as hopes for that outcome dim, analysts are turning to a system that searches through data to find common threads.

What can San Diegans do to help the victims of the massive earthquake and tsunami in Japan? And, what challenges has the local Japanese community faced as it tries to contact family and friends back home? We speak to the president of UC San Diego's Japanese Student Association, the director of disaster services for the local Red Cross, and KPBS Science and Technology Reporter Peggy Pico.

The Middle East is facing its worst water crisis in decades. For three summers, the annual rains have failed to come. Farmland has dried up in Iraq, Syria, southeast Turkey and Lebanon. The dire conditions are creating a new phenomenon: water refugees.

Tieyan Liu of Microsoft Research Asia in Beijing says that as a researcher, he isn't focused on the competition, but rather on his own projects — and on how best to collaborate with his colleagues in the U.S. He reflects on what his facility has meant for Chinese-educated researchers and for the country's universities.