Lockheed Martin develops maple-seed-like drone

The seeds that drop from maple trees each fall, whirring softly to the ground like silent one-winged helicopters, are the inspiration for a new kind of flying machine that could be useful for military information-gathering.

Climate change threatens many tree species: researchers

Global warming is already affecting the earth in a variety of ways that demand our attention. Now, research carried out at the Hebrew University of Jerusalem indicates that many tree species might become extinct due to climate ...

Maple seeds and animals exploit the same trick to fly (w/Video)

The twirling seeds of maple trees spin like miniature helicopters as they fall to the ground. Because the seeds descend slowly as they swirl, they can be carried aloft by the wind and dispersed over great distances. Just ...