PASADENA, Calif.—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 ...

What do a hummingbird, a moth, and a maple tree have in common? They all use a similar trick to fly. Okay, okay, a maple tree doesn’t fly. But its seeds kind of do. Maples make those little whirlybird ...

Q. Last fall, I collected Japanese maple seeds from trees in the neighborhood and planted about 100 of them in small pots, left them out over the winter, and did not get a single sprout. Advice on how ...

Students at the University of Maryland’s Clark School of Engineering have turned to nature to create a flying device that can hover and perform surveillance duties, and that could lead to applications ...

Jun. 10—If you think you've been seeing an invasion of helicopters this year, you're not imagining things. Southern Minnesota maple trees are producing a copious amount of seeds that flutter from ...

The term "UAV" generally leads us to think about expensive, high-tech military drones like General Atomics' Predator, but a Robotics team led by Dr. Paul Pounds at Australia's University of Queensland ...

A maple tree in Walford continues to leaf-out March 30 as conditions warm. Iowa’s silver maples and silver maple hybrids produced a surplus of seeds this year, likely as a response to several years of ...

MINNEAPOLIS — Trees, yards and gardens are lush with all the rain recently. But some people wonder if the weather has also helped stop a pesky problem this time of year. Why are some maple trees not ...