"Mount Sinai School of Medicine virologists find signs of infection in 1-2% of blood samples screened, but most people didn't seek or need treatment."

"Bird flu experts meeting in Geneva ruled that controversial research on a mutant form of the virus potentially capable of being spread among humans should be made public."

"With the specter of past deadly poisonings, the food industry steps up its quest for clean salad greens, testing various industrial washes and other methods like ultrasound."

"Hoping to combat the growing problem of childhood obesity, the Obama administration on Wednesday announced its long-awaited changes to government-subsidized school meals, a final round of rules that adds more fruits and green vegetables to breakfasts and lunches and reduces the amount of salt and fat."

The shine of a new iPad and Apple's record profits come at a steep cost: the health of the Chinese workers who make them possible.