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 ...

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 ...

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 Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Andrew Dickerson, University of Tennessee (THE CONVERSATION) When wind or other ...

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 ...

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 ...