Did You Know: Cats Urine Glows Under a Black-light?

catsMany body fluids contain fluorescent molecules.

The term “fluorescent” means that the substance will glow in a visible colour (blue, green, orange…)

When illuminated with high-energy, short-wavelength ultraviolet light. Forensic scientists use ultraviolet lights at crime scenes to find blood, urine, or semen (all fluorescent).

  • SuperCritic

    Why does the title specify cat urine if it’s just urine in general, and semen and blood?

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