"At 58, retired machinist Bruce Revers is tethered to his oxygen machines -- a wall unit when he’s at home, a portable tank when he’s out. The simple act of walking to the curb to pick up his newspaper is a grind."

"MANHATTAN, Kansas -- The site of a proposed facility to fight animal diseases, including those which could be spread by bioterrorists, is little more than a parking lot today because of safety and budget concerns."

"Nothing says 'lunch time' to an American kid quite like a peanut butter and jelly sandwich. Slices of deli meat might be a close second. Unbeknownst to most parents who pack school lunch boxes, however, both of these favorites could expose kids to toxic chemicals. In a new study of popular products purchased from grocery stores in Dallas, Texas, researchers found that nearly half of the sampled peanut butter and cold cuts, as well as turkey, fish, beef and other fatty foods, contained traces of a flame retardant commonly used in the foam insulation of building walls."

"The food industry likes to portray obesity as a matter of personal responsibility: People who eat too much gain weight, and it's their own fault."

"Hundreds of Baltimore-area families have volunteered for a government study to spray their suburban yards with pesticide, which researchers hope can protect them from Lyme disease but that environmentalists warn is unsafe."

An explosion of flammable metal dust burned Wiley Sherburne, 42, an electrician at the Gallatin, Tenn., plant of the Hoeganaes Corp. Dust was everywhere at the plant. Sherburne died two days after being burned over 95 percent of his body. Combustible dust has killed or injured at least 900 U.S. workers in the past three decades, but the Occupational Safety and Health Administration has bogged down on efforts to strengthen regulations.