Scientist warns of nanotechnology dangers

A British scientist is warning that hundreds of nanotechnology products are about to go on sale despite a lack of biological safety testing.

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<p><a href="http://www.physorg.com/news65890257.html">Scientist warns of nanotechnology dangers</a></p> <p>A British scientist is warning that hundreds of nanotechnology products are about to go on sale despite a lack of biological safety testing. </p>