Tracking down the human 'odorprint'

Each of the 6.7 billion people on Earth has a signature body odor -- the chemical counterpart to fingerprints -- and scientists are tracking down those odiferous arches, loops, and whorls in the "human odorprint" for purposes ranging from disease diagnosis to crime prevention. That's the topic of an article in the current issue of Chemical & Engineering News, ACS' weekly newsmagazine.

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