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City Supervisor Scott Wiener said he is taking a pill that can dramatically reduce the risk of HIV infection. He appears to be the first elected official to have gone public with the decision.

A new study bolsters the theory that chimpanzees kill rivals as an adaptation to their natural environment and not as a result of human impact.

Two major doughnut chains have bowed to consumer pressure to better police their palm oil purchases. Environmentalists say it's a win for consumers, trees and animals.

Earlier this week, NASA awarded two contracts for new spaceships to commercial companies. Here's how they compare.

Portland's spokesman says whoever it was that broke Tim McGraw's heart in that song made a good choice moving to Portland. She says the mayor would happily give the singer a personal tour of the city.

General Mills blames the move on an industry-wide decline in breakfast cereal sales. It says sales of its brands have dropped by 10 percent in the last quarter alone.

At final count, the "no" votes won by a margin of 55 percent to 45 percent. The British prime minister said it had settled the question "for a generation."

The town west of Detroit is embracing its name by holding its annual Hellfest celebration on Saturday, which includes a hearse car show.

Is Democracy a key to better levels of health in a country? That's long been the belief, but we hear about some research that shows that isn't always the case.

The shooter, Don Spirit, 51, had done time in prison on firearms violations in connection with the shooting death of his 8-year-old son during a 2001 hunting accident.