News tagged with gravel

New Mars rover sends higher-resolution image

( -- About two hours after landing on Mars and beaming back its first image, NASA's Curiosity rover transmitted a higher-resolution image of its new Martian home, Gale Crater. Mission Control at NASA's Jet Propulsion ...

dateAug 06, 2012 in Space Exploration
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Scientists explore the physics of bumpy roads

sand or gravel or snow -- develops ripples that make driving a very shaky experience. A team of physicists from Canada, France and the United Kingdom have recreated this "washboard" phenomenon in the lab with surprising results: ...

dateJul 07, 2009 in General Physics
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Iran, Iraq pay $1.2 bn to battle sandstorms

A top Iranian environment official said on Monday Tehran and Baghdad will jointly pay $1.2 billion in a project to reduce the number of sand dunes in a bid to cut the number of sandstorms from Iraq.

dateOct 03, 2011 in Environment
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The legacy of the megaflood

( -- Ambling through the parched and scarred landscape of eastern Washington state is the 60-mile-long Grand Coulee, the largest of the stair-step canyons that give the region called the Channeled Scablands its ...

dateFeb 17, 2012 in Earth Sciences
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Hushed hoarders and prying pilferers

In order to prevent other birds from stealing the food they are storing for later, Eurasian jays, a type of corvid, minimizes any auditory hints a potential pilferer may use to steal their cache (food that is buried for later ...

dateDec 04, 2012 in Plants & Animals
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