"In one of the first human studies of its kind, researchers have found that urinary concentrations of the controversial chemical Bisphenol A, or BPA, may be related to decreased sperm quality and sperm concentration."

A Penn State anthropologist puts forth a new hypothesis: that the nearly universal human tendency to bond altruistically with animals is a unique trait that has evolved because it gives us many advantages.

Methylnaphthalene, one of the hydrocarbons behind the Kellogg Company's June recall of some 28 million boxes of cereal, has yet to be evaluated for carcinogenicity

"Before a fillet of grouper, fresh oyster or piece of shrimp from the Gulf of Mexico lands in the grocery seafood aisle, state and federal agencies have weighed in on its safety. ... However, no one is testing seafood to tell whether it has absorbed the toxic compounds found in the nearly 1.8 million gallons of dispersants BP has poured into the water to break up the oil."

"The use of roxarsone and other arsenic-based additives in poultry and swine feed is at the center of a national controversy."

"Scientists say methyl bromide threatens the ozone layer, and its alternative, methyl iodide, is a threat to workers and their families."

Small-scale farmers who want to grow and sell meat locally have been hampered by federal regulation of slaughterhouses. Now mobile slaughterhouses are helping those farmers get back in the game.

"Organic food from China, like tea and frozen broccoli, has increasingly found its way onto American store shelves, typically emblazoned with the green 'U.S.D.A. organic' seal also found on food grown in this country. ... Now serious questions about certification in China have been raised by the United States Agriculture Department."