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 ...

Let's watch how a maple seed germinating and growing into a young tree over this 138-day time-lapse. For cold-stratification, maple seeds were wrapped in a moist paper-towel and chilled in the ...

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 ...

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 ...

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 ...

(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 ...

When wind or other disturbances detach winged maple seeds called samaras from their parent tree, they spin through the air—and can even spin when it's raining. Impacts by high-speed raindrops only ...