Tiny 'lab-on-a-chip' detects pollutants, disease and biological weapons
Wednesday, February 18, 2009 - 01:42
in Biology & Nature
For centuries, animals have been our first line of defense against toxins. A canary in a coalmine served as a living monitor for poisonous gases. Scientists used fish to test for contaminants in our water. Even with modern advances, though, it can take days to detect a fatal chemical or organism.
