While trying to find a cure for AIDs, the Mayo Clinic made glow in the dark cats

Amazing and weird fact about Mayo Clinic: 

Did You Know? While trying to find a cure for AIDS, the Mayo Clinic made glow in the dark cats. This is due to their use a specific protein that was fluorescent green. They used this protein to find out if their tests worked: if the animal glowed, the outcome was successful. source

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