Caught by a hair: Quick, new identification of hair may help crime fighters


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Crime fighters could have a new tool at their disposal. Researchers have developed a cutting-edge technique to identify human hair. Their test is quicker than DNA analysis techniques currently used by law enforcement. Early sample testing produced a 100 percent success rate. Blood samples are often used to identify gender and ethnicity, but blood can deteriorate quickly and can easily be contaminated. Hair, on the other hand, is very stable. Elements in hair originate from sweat secretions that alter with diet, ethnicity, gender, the environment and working conditions.Original Article


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