In China, cabbage is being sprayed with formaldehyde to keep the produce cool. (Source "Toxic cabbage reports spark food safety scare in China" Agence-France Presse)
Formaldehyde -- commonly used as a preservative for laboratory specimens and embalming -- can be fatal if ingested and is also a cancer-causing substance. (Source "Toxic cabbage reports spark food safety scare in China" )
I am sure this story will receive more attention in the next few days. For now, you can read more about this story at this site, "Toxic cabbage scandal hits China" This story is very similar to the melamine in milk scare that occurred a few years ago.