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UAV

Central Michigan University / Steve Jessmore

You might’ve heard that Amazon is hoping to one day deliver packages to your door by little unmanned helicopters.

Now, scientists are getting into the act, too.

“This is our unmanned aerial vehicle; an electronically powered helicopter,” Benjamin Heumann says as he unpacks a 6-foot helicopter. We’re in the middle of a rare wetland called a prairie fen near Chelsea. Heumann directs the Center for Geographic Information Science at Central Michigan University.