"Frogs that were imported for pregnancy tests and set loose in California carry a deadly fungus responsible for wiping out vast numbers of amphibians worldwide, scientists have found."

"Updated federal advice on mercury levels in fish appears to have stalled within the U.S. department of health, frustrating scientists and advocacy groups who argue that exposure to mercury may be dangerous at lower levels than previously thought."

"Lipstick can give your lips color, sheen and texture, but may also put you at risk of ingesting potentially toxic metals, University of California, Berkeley researchers say."

"RALEIGH — Fish in one of North Carolina’s largest watersheds are more polluted by an industrial contaminant than previously reported, and state health officials have failed to expand warnings against eating PCB-contaminated fish, according to a new study."

"NEW BRAUNFELS, TX — Off a dirt road connected to ever-flowing Interstate 35, a little metal sign on a wooden fence is the only indication of what lies ahead. Nearby, Buckley Powder, a mining and construction supply company, stores large quantities of ammonium nitrate, the source of the explosion at a fertilizer depot that killed at least 14 people and injured hundreds more last month in West."

"Researchers at Johns Hopkins University said they found levels of arsenic in chicken that exceeded amounts that occur naturally, and warned that they could lead to a small increase in the risk of cancer for consumers over a lifetime."

"For anyone anxious about toxic chemicals in the environment, Sunday marked a dubious milestone."

"Exposure to air pollution raises the risk of resistance to insulin, a typical warning sign of diabetes, according to a study of almost 400 German children."

"Conor Jackson had a big bat and a bright future. But after he contracted a rare illness in 2009 while playing with the Arizona Diamondbacks he was never quite the same."

"How ‘balanced’ coverage helped sustain the bogus claim that childhood vaccines can cause autism"

"The Arkansas Department of Health says people with dizziness, nausea and headaches have the option to leave, and it is their personal choice."

"NIAGARA FALLS, N.Y. — Inside a warehouse near the Canadian border, boneless hams bound for Philadelphia are coming off a tractor-trailer from Toronto under the gaze of a federal food inspector. Each week, about 20 of the 150 food trucks from Canada are rejected because of paperwork problems or contaminated meat."

"Gov. Jerry Brown said Tuesday that he intends to change California's landmark consumer-safety law in an attempt to reduce frivolous lawsuits and give the public clearer information about toxic chemicals."

Until recently the American food revolution seemed to have bypassed the Rustbelt region which rims the Great Lakes from Buffalo to Detroit. But an "interdependent web of chefs, butchers, farmers, millers, bakers and brewers" there are "cooking sustainably, supporting agriculture and raising families — all while making world-class food with a strong sense of place."

"The California condor, the largest bird in North America, was saved from extinction by a captive breeding program that increased its numbers in the wild. But now the condor is facing a new and pernicious threat — the lead from bullets used by game hunters."