News tagged with sand dunes
Mice living in sandy hills quickly evolved lighter coloration
Aug 27, 2009 |
4.8 / 5 (5) |
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In a vivid illustration of natural selection at work, scientists at Harvard University have found that deer mice living in Nebraska's Sand Hills quickly evolved lighter coloration after glaciers deposited ...
Ancient mammal tracks found at national monument
Other Sciences / Archaeology & Fossils
Jul 24, 2009 |
5 / 5 (4) |
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(AP) -- Hundreds of tiny footprints left by mammals some 190 million years ago have been found on a canyon wall in a remote part of Dinosaur National Monument, park officials said Thursday.
Mars Rover Update
Space & Earth / Space Exploration
Mar 26, 2009 |
4.3 / 5 (7) |
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In January 2004, NASA landed two identical robotic rovers named Spirit and Opportunity on the surface of Mars. The twins were primed for a brief 3-month mission to tell us a story of water and possibly life ...
Martian rock arrangement not alien handiwork
Space & Earth / Space Exploration
Jan 07, 2009 |
4.4 / 5 (8) |
2
At first, figuring out how pebble-sized rocks organize themselves in evenly-spaced patterns in sand seemed simple and even intuitive. But once Andrew Leier, an assistant geoscience professor at the U of C, started observing, ...
Search results for sand dunes
Gullies and Flow Features on Crater Wall
Space & Earth / Space Exploration
Nov 26, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
4.5 / 5 (4) |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Dutch build more dunes against rising seas
Nov 20, 2009 |
4.3 / 5 (6) |
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On the beach at Monster, bulldozers painstakingly turn sand dredged from the bottom of the North Sea bed into dunes in an ambitious effort to safeguard the Netherlands from flooding.
ORNL, Los Alamos pioneer new approach to assist scientists, farmers
Nov 19, 2009 |
3 / 5 (1) |
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Sustainable farming, initially adopted to preserve soil quality for future generations, may also play a role in maintaining a healthy climate, according to researchers at the Department of Energy's Oak Ridge and Los Alamos ...
BoarCroc, RatCroc, DogCroc, DuckCroc and PancakeCroc
Other Sciences / Archaeology & Fossils
Nov 19, 2009 |
4.9 / 5 (8) |
2
A suite of five ancient crocs, including one with teeth like boar tusks and another with a snout like a duck's bill, have been discovered in the Sahara by National Geographic Explorer-in-Residence Paul Sereno. ...
Tilt Parameters End First Extrication Drive for Spirit
Space & Earth / Space Exploration
Nov 17, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt ...
Spotting evidence of directed percolation
Nov 17, 2009 |
3.5 / 5 (2) |
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A team of physicists has, for the first time, seen convincing experimental evidence for directed percolation, a phenomenon that turns up in computer models of the ways diseases spread through a population ...
Bacterial 'ropes' tie down shifting Southwest
Nov 17, 2009 |
4.4 / 5 (5) |
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Researchers from Arizona State University have discovered that several species of microbes (cyanobacteria), at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building ...
Tiny bubbles clean oil from water
Nov 16, 2009 |
4 / 5 (3) |
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Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed ...
Hawaii's famed white sandy beaches are shrinking
Nov 15, 2009 |
5 / 5 (1) |
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(AP) -- Jenn Boneza remembers when the white sandy beach near the boat ramp in her hometown was wide enough for people to build sand castles.
List of search results for sand dunes
