KLAUS GULDBRANDSEN / SCIENCE PHOTO LIBRARY KLAUS GULDBRANDSEN / SCIENCE PHOTO LIBRARY
Radioactive pollution monitoring. Group of researchers in protective clothing taking a soil sample to check for radioactive pollution. Contaminated soil in fields where dairy cows graze, as here, can have a detrimental effect on those who drink the cows' milk as well as on those who live nearby. Radioactive pollution may arise from nearby nuclear power stations or natural sources. Regardless of their source, radioactive materials can cause severe health problems during prolonged exposure, the most obvious being the dramatically increased risk of cancer. These researchers are from a public health institute in Milan, Italy.
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