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This machine that analyses art can also be used to solve crime

One of the shortfalls of traditional forensic science is the struggle to detect and image biological traces, like blood and sperm, from a surface too dark or fluorescent. This new CSI technique, however, can detect traces on any surface with ease, and it could even help to solve old crimes. The new approach is based on an imaging method originally intended for the field of art science, used to reveal the hidden elemental layers within artworks.
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