Trained, bomb-sniffing mice outperform existing technologies in a recent study.

BioExplorers has launched a system that is intended to replace dangerous body scanning systems and bomb sniffing dogs for good. It features trained mice living inside what looks like a regular metal detector, continually sniffing the air as people walk through. If they catch a whiff of any explosives, they run to a side chamber and trigger an alarm. In a trail in Israel, the mice successfully smelled out all 22 planted explosives in a group of over 1,000 people, with a false positive rate of less than 0.1 percent.

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