Bacteria left on crime scene could help to find criminal

In a study in Proceedings of the National Academy of Sciences, researchers find out colonies of bacteria that be alive on people's hands are highly personal to each & everyone.

That means forensic specialists could one day use those bacteria to prove who had touched an object. In adding to smudged fingerprints, the method may also be useful in determining who has touched things like fabrics & highly textured materials, the researchers said.

The average of human hand contains nearly 150 species of bacteria with only about 13 percent shared by any 2 people, Researchers found in previous studies.

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