Two brothers who sold about 3 tons of contaminated milk to the Sanlu Group a day are arrested in Hebei province on Sunday after it caused the deaths of two infants in China.

The brothers have been running a private milk collecting station since May 2004 and their milk has been rejected by Sanlu previously. They face charges of producing and selling toxic and hazardous food

A legal opinion expected to be issued Monday by the Consumer Product Safety Commission's general counsel sets higher lead standards on children's products effective Feb. 10.

By Feb. 10, the new benchmark would be a total lead content of 600 parts per million, which will be set to 300 ppm by Aug. 10 and may be further adjusted to 100 ppm after three years, if the new standard will be feasible

The number of Chinese babies confirmed to have kidney stones due to drinking contaminated milk powder has risen to 432 as the Chinese government admits the seriousness of the situation.

Health ministry official Gao Qiang said, "This is a severe food safety accident," and added those responsible would be "severe" punished

Scientists have achieved breakthrough in identifying three genes that are responsible for the development of a type of childhood brain cancer which could help find more treatments.

Researchers from the University of Nottingham hope the breakthrough provide a more detailed understanding of the genetics behind ependymoma, the third most common form of brain cancer in children. The university says that about 300 children under 15 are diagnosed with a brain tumour each year in the UK

Campaigning in Ohio on Tuesday, Sen. Joe Biden (D-DE) decried Republicans who touted their support for families with disabled children yet also opposed stem cell research. Biden's remarks seemed to be a swipe at his counterpart, Alaska Gov. Sarah Palin, who has a son with Down Syndrome.

"I hear all this talk about how the Republicans are going to work in dealing with parents who have both the joy, because there's joy to it as well, the joy and the difficulty of raising a child who has a developmental disability, who were born with a birth defect. Well guess what folks? If you care about it, why don't you support stem cell research?" Biden, a six-term senator, said during a town hall meeting in Columbus, according to CBS