AFP - Female chimpanzees are hungry for sex with as many males as possible, and keep their mouths shut about it to boost their chances of luring the top chimps, a Scottish university has found.

AP - Public health threats rise to the surface during a flood like the one in the Midwest with animal waste runoff from farms and overflowing city sewer lines. But people are usually smart enough to avoid what can make them sick, experts say.

Reuters - "Freshman 15," the idea that new college students put on 15 pounds of weight in the first year, may be a myth, but young women do gain about five pounds, Canadian researchers report.

AP - Some health insurance companies rate doctors on their performance. Now doctors are turning the tables.