This tiny drone uses an actual moth antenna to sniff out target chemicals – TechCrunch

Sometimes it’s just not worth it to try to top Mother Nature. Such seems to have been the judgment by engineers at the University of Washington, who, deploring the absence of chemical sensors as fine as a moth’s antennas, opted to repurpose moth biology rather than invent new human technology. Behold the “Smellicopter.”
Mounted on a tiny drone platform with collision avoidance and other logic built in, the device is a prototype of what could be a very promising fusion of artificial and natural ingenuity.
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