The charity is currently funding some Leeds-based research into how artificial hips are worn away during the "swing phase" of walking, which it is hoped will highlight the benefits of different materials, and lead to recommendations to improve surgical techniques or design.

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These are to be slipped into capacious bags and worn on the walk to the subway, or even in the hunt for a taxi.

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Clothes with everyday designs are worn regularly in business and academic settings, while special varieties are incorporated into celebrations of marriage and pregnancy and into puppet theatre and other art forms.

UNESCO: Culture

Hearing-aid styles fall roughly into two categories: devices worn outside the ear and those inside the ear, which are largely invisible.

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