Harvard neurobiology professor Margaret Livingstone found in her research on macaque monkeys that neurons in the brain respond to exaggerated features huge eyes or tiny noses more than to common ones.

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For all his long involvement in local government he was leader of the Greater London Council until, not unrelatedly, Margaret Thatcher abolished it ruling London was never Mr Livingstone's main ambition either.

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As the head of the Greater London Council (GLC) in the 1980s, Livingstone earned the moniker "Red Ken" for standing up to Conservative Prime Minister Margaret Thatcher on a number of issues.

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