Departments of Defense and Homeland Security research may finally be paying off. A new breakthrough in bomb-sniffing ability shows that plants can be trained to drain their chlorophyl in response to the tiniest presence of particular substances, like TNT, producing a passive alert system at airports 100x more sensitive than bomb-sniffing dogs. The "only" problem is that the response time is several hours rather than the few minutes a real world screening would necessitate. Still, DoD and DHS hope to deploy a "foliage force" within three years. I wonder whether they'll be voting members of the TSA union.
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