From The Danger Room:
The Pentagon is looking for better ways to prevent chemical weapon attacks. So military researchers are implanting insect larvae with WMD-detectors - turning them into cyborg-critters that specialize in tracking down mustard gas. Naturally.
In 2005, the military trained honeybees to sniff out land mines. Then, Darpa’s HI-MEMS program started trying to machinize insects instead. So far researchers have implanted micro-mechanical components into larval moths and created remote-controlled beetles. Those initial HI-MEMS efforts seemed designed for reconnaissance missions - this time, the Pentagon wants its modified bugs to detect and differentiate between chemical agents.
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My Comment: They call this fringe science for a reason.