The good ol' red, white and blue – turkeys show off their color-changing skin (Photo: Shutterstock)
The scientists have created a smartphone app, which uses the phone's camera to accurately read the color on a litmus strip containing the bacteriophages
Turkeys may not be everyone's idea of beautiful birds, but they certainly have colorful skin on their heads. What's more, that skin changes color with the animal's mood. Scientists at the University of California, Berkeley, have now copied the process by which those color changes occur, and used it to create a biosensor that could be used to detect airborne toxins.
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