News tagged with maple seeds
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.
Aug 15, 2011 |
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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 ...
Jan 24, 2011 |
4 / 5 (4) |
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Spiraling Flight of Maple Tree Seeds Inspires New Surveillance Technology (w/ Video)
(PhysOrg.com) -- 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 engineering ...
Oct 20, 2009 |
4.3 / 5 (15) |
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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 ...
Jun 11, 2009 |
4.7 / 5 (7) |
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Search results for maple seeds
Southern pine beetle impacts on forest ecosystems
Research by USDA Forest Service Southern Research Station (SRS) scientists shows that the impacts of recent outbreaks of southern pine beetle further degraded shortleaf pine-hardwood forest ecosystems in the southern Appalachian ...
May 17, 2012 |
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Phenology gardens track ties between weather, nature
How strange has this spring been?
Apr 20, 2012 |
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New map for what to plant reflects global warming
(AP) -- Global warming is hitting not just home, but garden. The color-coded map of planting zones often seen on the back of seed packets is being updated by the government, illustrating a hotter 21st century.
Space & Earth / Earth Sciences
Jan 25, 2012 |
3.7 / 5 (6) |
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Acid rain poses a previously unrecognized threat to Great Lakes sugar maples
(PhysOrg.com) -- The number of sugar maples in Upper Great Lakes forests is likely to decline in coming decades, according to University of Michigan ecologists and their colleagues, due to a previously unrecognized ...
Jan 16, 2012 |
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Seeing the forest under the trees
(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.
Dec 08, 2011 |
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Woods, yes, but as before, no
Though the transformation of farm fields into forests over the past century amounts to a New England conservation victory, a Harvard forest expert said Thursday that turning back the environmental clock and ...
Oct 31, 2011 |
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Non-native earthworms are damaging hardwood forests
Think of earthworms and a few things come to mind: they make great bait for fishing, they aerate the soil, and they're an excellent addition to a compost pile. But what a lot of people don't know is many earthworms are actually ...
Sep 13, 2011 |
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Tree rings reveal forest fires from hundreds of years ago
Like clues from an Agatha Christie mystery novel, trees can provide secrets about past events, and their rings are especially good at providing information about fires, some of which happened hundreds of years ago, according ...
Sep 07, 2011 |
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Up-and-coming forests will remain important carbon sinks
(PhysOrg.com) -- The aging forests of the Upper Great Lakes could be considered the baby boomers of the region's ecosystem.
Aug 10, 2011 |
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Research maps out trade-offs between deer and timber
Since the 1950s, sustainability in northern hardwood forests was achieved by chopping down trees in small clumps to naturally make room for new ones to spring up. Early experiments with single-tree and group ...
May 10, 2011 |
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List of search results for maple seeds
