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Evidence has been mounting that intestinal parasites can actually be a good thing for people with inflammatory bowel disease, because certain parasitic worms seem to help the intestine heal. Now, new research yields clues to why the treatment may work.

During the 1980s, a downtown arts organization brought cutting-edge artists to San Diego. Thirty-one years later, Sushi Performance and Visual Art is closing its doors. Angela Carone looks at how Sushi thrived and eventually died.

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.

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.

San Diego researchers have learned what makes stem cells different from mature cells. Stem cells are immature cells that can be engineered to be any cell in the body. But it's never been entirely clear why stem cells are different from mature cells.

Some of the questions the Pentagon will have to answer if the law barring openly gay troops is repealed: Will legal gay marriages be recognized in the military? If not, will gay partners get the same benefits as straight married couples? And do housing arrangements need to be changed?

San Diego independent bookstores will lose some competition when Borders declares bankruptcy. But they are not celebrating the news, which they see as a blow to the bookstore business.

Japan's Worst Air Disaster Provides Basis for FIlm

What are the most significant changes that have happened in the San Diego Unified School District over the last two decades? What are the biggest challenges currently facing the district? We speak to outgoing trustee John de Beck about his time on the school board, and his defeat in the last election.

KPBS reporter Joanne Faryon interviews Harriet Salarno, a crime victim whose daughter was murdered in 1979. Ever since, Salarno has fought for crime victims' rights.