Researchers: Molecular forklifts overcome obstacle to 'smart dust'

Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of poor health in the blood.

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<p><a href="http://www.physorg.com/news151508961.html">Researchers: Molecular forklifts overcome obstacle to 'smart dust'</a></p> <p>Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of poor health in the blood.</p>