Photo: Security: Checkpoints could one day use 'fear detectors' if a research project is successful.From The Daily Mail:
A device that smells human fear is being developed by British scientists and could soon be sniffing out anxious terrorists.
The technology relies on recognising a pheromone - or scent signal - produced in sweat when a person is scared.
Researchers hope the 'fear detector' will make it possible to identify individuals at check points who are up to no good.
Terrorists with murder in mind, drug smugglers, or criminals on the run are likely to be very fearful of being discovered.
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