Stories

Spies, herders, painters: the many unusual roles of drones

Keeping the elephants safe in South Africa. (Flickr)

Drones are proven for surveillance or delivery, but what's less widely known is their usefulness for herding elephants and seeing through walls.

Quick take: Businesses and non-profits are finding innovative ways to use drones to accomplish tasks that humans cannot do, and these developments have yielded benefits for environmental conservation, military strategy and more.