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What are the chances you’ll walk out of your house in San Diego and run into someone of a different race and ethnicity? An inewsource analysis tells you the answer.

The World Health Organization strongly recommends that men who have sex with men consider a daily pill that would prevent HIV infection. That seems like a drastic measure — but is it?

Called "El Mundo Extraño" (a sidebar showcase that translates as The Strange World) will feature horror and science fiction films, plus supernatural stories. Filmmakers hope to find a distributor to share their work with a wider audience.

Homosexual men are 20 times more likely to pass HIV to a partner than heterosexual couples are. Now scientists have found a clue to why: Only particular versions of HIV can pass from a woman to a man.

Scientists seem to have answered a fundamental question about the nature of memory. They have found compelling evidence that memories are made by strengthening connections between certain brain cells.

Sixty-Six Garage, the random name he was given when he arrived at the UCSD Trauma Center in San Diego in 1999, is a John Doe who has been kept alive with machines since the vehicle he was traveling in crashed near the U.S.-Mexico border.

San Diego County's community colleges are adding classes and services after years of cuts.

The urine test employers typically use to detect marijuana picks up cannabis smoked or swallowed days or weeks earlier. Should firms be allowed to fire workers who legally use marijuana at home?

Researchers are using cellular machinery to turn E. coli bacteria into little computers. By creating on/off switches that are similar to electronic transistors, scientists can control each microbe's behavior.

Sixty high school teams are putting the finishing touches on the robots they built for the two days of tournaments at San Diego's annual FIRST Robotics Competition.