Nearly two out of three patients who end up in the hospital for heart failure suffer from at least one "precipitating factor," say researchers who examined data on some 49,000 heart failure patients collected during their...

UCLA won a preliminary injunction against extremists involved in a campaign of harassment directed at faculty and administrators who conduct or oversee research involving laboratory animals. The injunction extends and expands a temporary restraining order granted in February.

The human brain responds to being treated fairly the same way it responds to winning money and eating chocolate, UCLA scientists report. Being treated fairly turns on the brain's reward circuitry.

Companies and organizations that keep sensitive personal information on millions of Americans have become attractive targets for hackers in recent years, resulting in billions of dollars in losses for U.S. businesses and misery for countless consumers. But now Amit Sahai, an associate professor of computer science at the UCLA Henry Samueli School of Engineering and Applied Science, and his colleagues have devised a new data-protection method they hope will put Internet criminals out of business.