Beneath the hovering helicopter, an ugly mud-orange clearing has been cut for it from the lush green forest.

ECONOMIST: Tropical forests�� best hope

As much as I love helicopters, I declined for several reasons, including that it's hard to conduct an interview in a helicopter, and because hovering in midair feels unnatural to me and brings on intimations of mortality.

WSJ: Open-Air Status Symbols

In 1939, although experiments with hovering aircraft had been going on since 1900, the first successful helicopter, Igor Sikorsky's VS-300, made its first flight.

CNN: Monday,

To verify that the code works, the Kraays had to commission a helicopter to fly them over their own farm, allowing them to scan it while hovering hundreds of feet above.

ENGADGET: Visualized: World's largest QR code is a Canadian maize maze