News tagged with sand dunes

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Mice living in sandy hills quickly evolved lighter coloration

Mice living in sandy hills quickly evolved lighter coloration

Biology / Evolution

created Aug 27, 2009 | popularity 4.8 / 5 (5) | comments 9

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 (AP)

Ancient mammal tracks found at national monument

Other Sciences / Archaeology & Fossils

created Jul 24, 2009 | popularity 5 / 5 (4) | comments 0

(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

Mars Rover Update

Space & Earth / Space Exploration

created Mar 26, 2009 | popularity 4.3 / 5 (7) | comments 5

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

created Jan 07, 2009 | popularity 4.4 / 5 (8) | comments 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, ...





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Energy-saving powder

Energy-saving powder: Converting methane to methanol

Chemistry / Other

created 9 hours ago | popularity 3.5 / 5 (4) | comments 1

It is currently estimated that natural gas resources will be exhausted in 130 years; however, those reserves where extraction is cost-effective will only flow for another 60 years or so.


Are the Alps growing or shrinking?

Space & Earth / Earth Sciences

created Nov 05, 2009 | popularity 2 / 5 (1) | comments 0

The Alps are growing just as quickly in height, as they are shrinking. This paradoxical result could be proven by a group of German and Swiss geoscientists. Due to glaciers and rivers about exactly the same amount of material ...


Yellow dust blowing over Seoul

SKorea to plant trees in China to reduce 'yellow dust'

Space & Earth / Environment

created Nov 04, 2009 | popularity not rated yet | comments 0

The Seoul city government will help fund a tree-planting project in a Chinese desert to reduce the amount of harmful "yellow dust" blowing over South Korea, officials said Wednesday.


82 healthy sea turtles hatch at San Diego SeaWorld (AP)

82 healthy sea turtles hatch at San Diego SeaWorld

Biology / Ecology

created Nov 03, 2009 | popularity 4 / 5 (1) | comments 0

(AP) -- The population of endangered green sea turtles at SeaWorld in San Diego grew by 82 in October when the eggs hatched on Shipwreck Beach without human help.


A Mars Rover Named 'Curiosity'

A Mars Rover Named 'Curiosity'

Space & Earth / Space Exploration

created Oct 30, 2009 | popularity 4.9 / 5 (18) | comments 2

(PhysOrg.com) -- If you found your grandmother's diary, tattered and dust covered, up in the attic, would you read it? Of course you would. Granny was a pistol! Brush off the dust, open up the little book, ...


North Carolina Sea Levels Rising Three Times Faster Than in Previous 500 Years, Study Says

Space & Earth / Earth Sciences

created Oct 28, 2009 | popularity 2.5 / 5 (10) | comments 1

PHILADELPHIA -- An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise, at least in North Carolina, is accelerating. Researchers found 20th-century sea-level ...


Lead poisoning threatens a vulnerable albatross population

Lead poisoning threatens a vulnerable albatross population

Biology / Plants & Animals

created Oct 28, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Populations of Laysan albatross face severe declines due to widespread lead poisoning of chicks unless comprehensive cleanup measures gain momentum, according to a recent study.


Next-generation microcapsules deliver 'chemicals on demand'

Next-generation microcapsules deliver 'chemicals on demand'

Nanotechnology / Bio & Medicine

created Oct 28, 2009 | popularity not rated yet | comments 0

Scientists in California are reporting development of a new generation of the microcapsules used in carbon-free copy paper, in which capsules burst and release ink with pressure from a pen. The new microcapsules ...


Robot Armada Might Scale New Worlds

Robot Armada Might Scale New Worlds

Space & Earth / Space Exploration

created Oct 28, 2009 | popularity 4.3 / 5 (11) | comments 5

(PhysOrg.com) -- An armada of robots may one day fly above the mountain tops of Saturn's moon Titan, cross its vast dunes and sail in its liquid lakes.


Fortuitous research provides first detailed documentation of tsunami erosion

Fortuitous research provides first detailed documentation of tsunami erosion

Space & Earth / Earth Sciences

created Oct 27, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- For the first time, a group of scientists working in the Kuril Islands off the east coast of Russia has documented the scope of tsunami-caused erosion and found that a wave can carry away ...



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