STOR

Courtesy photo / SUNY Buffalo

Why some wounds heal quickly and others don’t sometimes baffles doctors.

Now, new research at the University at Buffalo uses special light filters to find answers.

Thin slices of plastic, known as “rainbow polymers,” reflect certain wavelengths of light. Depending on what color a polymer is designed for, researchers can employ the technology for a number of uses because it identifies an object's "true color."