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Straight from the Big CON!

Why did Fidel Castro turn over power of Cuba to his brother Raul? What does the future hold for the island nation ruled by Castro for the past 47 years?

Water on Earth has been recycled since the beginning of time. Now that San Diego is facing serious long-term water issues, the region is finally coming to terms with how to recycle what we flush down the toilets and drains and turn it into safe drinking water.

South Korean and U.S. researchers say they have successfully cloned a human embryo and extracted embryonic stem cells from it. The experiment, reported in the journal Science, is the first instance of cloned human stem cells -- an important step toward therapeutic cloning, in which patients' own replacement tissue would be generated to treat them. NPR's Joe Palca reports.

Nutrition researchers are pushing for a big increase in the daily recommended dose of Vitamin D. Dozens of recent studies suggest that deficiencies of the vitamin make people more vulnerable to everything from fractures to certain cancers and diabetes.

Russian President Vladimir Putin said he would be happy to become the pro-Kremlin United Russia Party's top candidate in December's parliamentary elections. The easiest way for Putin to stay in power after the presidential election would be to transform the weak office of prime minister into a powerful one.

Why is there a Texas-sized patch of garbage floating in the middle of the Pacific Ocean? How did the trash get there, and what can be done to remove it? We speak to a group of researchers who recently returned from a Scripps Institute of Oceanography expedition to study the Great Pacific Garbage Patch.

By the time a farmer hears a swarm, it's usually too late to do anything but wait for the plague to pass. At the moment, researchers have a hard time predicting the movements of locust swarms. But that may be changing.

The long saga of the seals at the Children's Pool in La Jolla will last for at least three more months. That's following a Superior Court judge's decision to delay a ruling on the fate of the seals until October. What factors played into the judge's decision to delay his ruling? And, why has this story captivated San Diego over the last decade?

Researchers have discovered some long-abandoned varieties of corn that contain higher levels of beta-carotene, which the body uses to make vitamin A. Wider use of this corn in the developing world could keep millions of people from going blind.