This patented technology ensures that only real fingerprints are read by converting the properties of the skin into digital data which are delivered to the host computer for analysis.

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Bextra, a drug that was similar to Vioxx, was linked to heart problems by one such analysis and has since been pulled from the market for serious skin side effects.

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The hope this analysis brings, though, is that there is nothing particularly special about biologically based brands such as skin colour.

ECONOMIST: Darwinism