Add Yahoo as a preferred source to see more of our stories on Google. Jun. 10—If you think you've been seeing an invasion of helicopters this year, you're not imagining things. Southern Minnesota ...

Add Yahoo as a preferred source to see more of our stories on Google. Winged seeds called samaras grow on maple trees. These are seeds from the Japanese maple, _Acer palmatum_. AlessandroZocc/iStock ...

LATE 1990S, IS ACTUALLY A SIMPLE CONCEPT. IT’S IMITATING NATURE TO SOLVE PROBLEMS OR INVENTING SOMETHING, USING NATURE AS INSPIRATION. NATURE IS THE PATHWAY TO SCIENCE AND INVENTION. HERE AT THE ...

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 ...

SIOUX FALLS, S.D. (KELO) – You may have noticed something different about the maple tree seeds this year: they’re pink. In the past few weeks, maple trees have been dropping samaras, or more commonly ...

You may have noticed lots of those helicopter maple tree seeds filling up rain gutters or piling up on the sidewalk this year. State Forester Tivon Feeley says the large amount of seeds created a ...

COLLEGE PARK, Md.—Maple tree seeds (or samara fruit) and the spiraling pattern in which they glide to the ground have delighted children for ages and perplexed engineers for decades. Now aerospace ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. Seeds, samaras, helicopters: Whatever you call maple seeds, there is a bumper crop this spring in Iowa.

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 ...

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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 their ...