News tagged with slopes
Genetic analysis shows tortoise species thought to be extinct for 150 years still lives
Dozens of giant tortoises of a species believed extinct for 150 years may still be living at a remote location in the Galapagos Islands, a genetic analysis conducted by Yale University researchers reveals.
Jan 09, 2012 |
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Mountain on Mars may answer big question
The Martian volcano Olympus Mons is about three times the height of Mount Everest, but it's the small details that Rice University professors Patrick McGovern and Julia Morgan are looking at in thinking about ...
Space & Earth / Space Exploration
Mar 04, 2009 |
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Landslides linked to plate tectonics create the steepest mountain terrain
Some of the steepest mountain slopes in the world got that way because of the interplay between terrain uplift associated with plate tectonics and powerful streams cutting into hillsides, leading to erosion ...
Space & Earth / Earth Sciences
May 30, 2012 |
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Duck-billed dinosaurs endured long, dark polar winters
Duck-billed dinosaurs that lived within Arctic latitudes approximately 70 million years ago likely endured long, dark polar winters instead of migrating to more southern latitudes, a recent study by researchers ...
Other Sciences / Archaeology & Fossils
Apr 11, 2012 |
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Largest recorded tundra fire yields scientific surprises
In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 ...
Jul 27, 2011 |
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Sick Alaska seal shows possible spread of disease
(AP) -- Federal scientists said Wednesday that a nearly bald, lethargic seal recovered from the southeast Alaska coast showed the same symptoms of a disease that sickened ringed seals and Pacific walrus on ...
Mar 08, 2012 |
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Vicious queen ants use mob tactics to reach the top
Leptothorax acervorum ants live all over the Northern hemisphere, but their reproductive strategy depends on habitat. Colonies are polygynous (more than one queen) in the forest of Siberia and central Europe, but functionally ...
Sep 30, 2011 |
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Contemporary climate change alters the pace and drivers of extinction
Local extinction rates of American pikas have increased nearly five-fold in the last 10 years, and the rate at which the climate-sensitive species is moving up mountain slopes has increased 11-fold, since the 20th century, ...
Apr 20, 2011 |
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Nutrient shift occurring in the Gulf of Maine could affect planktonic ecosystem
(PhysOrg.com) -- The Gulf of Maine waters are cooler, fresher and lower in nitrate than they were 30 years ago, causing a nutrient shift that has potential implications for the structure of the planktonic ecosystem, according ...
Aug 26, 2010 |
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Ski Runs Are Not Created Equal
(PhysOrg.com) -- Building a new ski run by bulldozing a mountainside rather than only cutting its shrubs and trees is far more damaging ecologically, yet might offer only a week's earlier start to the downhill season, says ...
Dec 21, 2009 |
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Final rocket launches, measures aurora movement
It's been a long wait, but it was worth it. The Black Brant XII sounding rocket with the CASCADES II experiment launched and flew through an active aurora display March 20 at 3:04 a.m. Alaska Daylight Time. The successful ...
Space & Earth / Space Exploration
Mar 24, 2009 |
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The fate of the big rain
Climate change affects people both globally and regionally. Pankaj Kumar, for example, who works at the Climate Service Center and the Max Planck Institute for Meteorology in Hamburg, is investigating the ...
Space & Earth / Earth Sciences
Sep 26, 2011 |
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