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Last year alone, 25,000 elephants were slaughtered and their skulls hacked for their tusks. | Bruno Levy/Corbis
Tech

Can Drones Save the Elephants?

Antipoaching teams in Africa and Asia are getting assistance from unmanned aerial vehicles.

March 22, 2013
3:30 PM EDT
A wildlife ranger readies an unmanned aerial vehicle for launch. | WWF Nepal / Mreedu Gyawali