| pollution_'changes_sex_of_fish' | ||
| mp21k |
Pollution 'changes sex of fish' 10 July, 2004, 03:23 GMT 04:23 UK http://news.bbc.co.uk/1/hi/uk/3882159.stm A third of male fish in British rivers are in the process of changing sex due to pollution in human sewage, research by the Environment Agency suggests. |
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