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Dozens of websites have been secretly harvesting lists of places that their users previously visited online, everything from news articles to bank sites to pornography. A team of UCSD computer scientists -- a graduate student and 3 professors -- found that the practice of "history sniffing" is possible because of a weakness in web browsers which allows websites to do this.

Interior Secretary Ken Salazar says a scientific review of the Sacramento Bay Delta ecosystem may provide answers to some of California's water supply problems. The Delta is the source for about one-third of San Diego County's water.

The California State School Board approved a new batch of science textbooks for local school districts Thursday. The materials highlight the latest scientific discoveries, like Pluto’s demotion. KPBS

The United States is embroiled in a handful of concurrent international military conflicts. Yet the National Mall is quiet and the streets of Washington are pretty much protester-free. Whatever happened to the anti-war movement?

California and South Carolina Republicans appear ready to nominate women for governor in races marked by record money and infidelity accusations. Primary voters in six states will choose their party nominees for governor on Tuesday. The votes are a key step in a year during which 37 governorships will be up for grabs in the fall — including a whopping 23 open seats.

Just south of Mobile, Ala., Resolute, a seagoing tug, is positioned near the entrance of a ship channel. The 100-foot tug has been converted into a floating decontamination station. Oily ships can stop and get a wash before they come into port.

San Diego based artist Susy Bielak talks to Culture Lust contributor Jen Paton about the energy of earthquakes and the border

San Diego won’t lose too many local jobs when SAIC moves its headquarters to Virginia. But one local business analyst says the city will feel the impact in other ways.

American consumers still talk a lot on their smart phones, but one key function consistently falls short — voice quality. Recent studies by Consumer Reports and others find that it hasn't kept pace with advances in screen display, Web browsing and battery life.

High-tech defense contractor SAIC, one of three Fortune 500 companies in San Diego, announced today it is moving its corporate headquarters to McLean, Va.