Cattle in South Africa contaminated with uranium

A researcher from North West University has found that the internal organs of cattle kept in the Wonderfontein Spruit area have been contaminated with uranium and cobalt. Uranium levels in the animals' kidneys were 4,350 times higher than those in a control group. The cattle were eating grass that grew next to the river. This indicated that the heavy metals bio-accumulated in the grass, said the researcher, David Hamman. More.