Some caterpillars eat their own skin once it has been shed.
Russians warn of radiation threat to Arctic
Russians warn of radiation threat to Arctic Radioactivity that leaked from two underground
nuclear explosions in northern Siberia during the 1970's has still
not been properly cleaned up and could contaminate the Arctic, say
Russian scientists. They fear that contamination could spread
through the River Lena into the Laptev Sea, which is an important
breeding ground for birds. 2 OCTOBER 1999, P. 14
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