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Nanotechnology

Nanotechnology appears to offer enormous benefits -- but there are also concerns about its safety and calls for greater regulation.

Within the next five years, it's estimated that the nanotechnology industry will be worth more than 2.5 trillion US dollars worldwide. Nanomaterials - measured in tiny fractions of a millimetre - are now being used in a wide range of consumer products. But there are concerns about their safety, and there are now calls for greater regulation. Audrey Tinline looks at the latest developments.

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10 minutes

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Mon 28 Sep 2009 04:40GMT
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  • Mon 28 Sep 2009 04:40GMT
    ±«Óãtv World Service Online

±«Óãtv World Service Archive

This programme was restored as part of the World Service archive project