Using millions of glowing bacteria to detect toxins | Science News | Scoop.it
From www.kurzweilai.net - January 3, 2012 7:13 AM

UC San Diego (UCSD) scientists have created a living neon sign composed of millions of bacterial cells that periodically fluoresce in unison like blinking light bulbs — a visual display of how researchers in the new field of synthetic biology can engineer living cells like machines.