In Seoul, South Korea, a black lab is making headlines for his ability to sniff out human cancer cells. Scientists are cloning the dog in hopes of producing more canines useful for human medical studies.
Cancer-sniffing dogs are trained to sit in front of anyone who carries the scent of cancer cells, and researchers in the past have found that cancer-sniffing dogs are especially accurate in detecting breast, prostate, lung and bladder cancer cells.
ABC News
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