News tagged with sand

Winds of change strike Mars, too

Mysterious dark sand dunes around Mars' northern polar cap are shifting with the seasons, as carbon dioxide gas changes form and sparks landscape-altering avalanches, said a study published Thursday.

Feb 03, 2011
4.4 / 5 (14) 7 | with audio podcast

Fat sand rats are SAD like us

(PhysOrg.com) -- Saying goodbye to summer can be difficult for everybody. In some people the onset of winter triggers Seasonal Affective Disorder, or SAD, a mood disorder in which sufferers experience symptoms ...

Nov 08, 2010
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In deserts, which dunes are the most stable?

By modeling a desert where the wind blows in two directions, French researchers from CNRS and Universite Paris Dideror have succeeded in observing and highlighting, for the very first time, the formation process ...

May 28, 2010
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These grains can be solid, liquid or dust

(PhysOrg.com) -- Take a walk along the beach and you might marvel at any number of things: the cresting waves, the occasional scuttling crab, the shells and odd shapes of driftwood that wash ashore.

Mar 24, 2010
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Spirit Rover Switches to Backward Drives

(PhysOrg.com) -- The rover team has begun driving Spirit backward as next technique for attempting to extricate the rover from the sand trap where it is embedded. The first two backward drives produced about ...

Jan 22, 2010
5 / 5 (4) 3 | with audio podcast

New spider species discovered

A new and previously unknown species of spider has been discovered in the dune of the Sands of Samar in the southern Arava region by a team of scientists from the Department of Biology in the University of ...

Jan 11, 2010
4.6 / 5 (9) 2 | with audio podcast

Spirit Rover: Right-Front Wheel Rotations

(PhysOrg.com) -- Spirit's right-front wheel, which had stopped operating in March 2006, revolved with apparently normal motion during the first three of four driving segments on Sol 2117 (Wednesday, Dec. 16) ...

Dec 18, 2009
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