The Sands of Mars

NASA Science News for January 31, 2005

The physics of sand here on Earth is not as well understood as you might
think. Sand on Mars is even more of a mystery. So what? The physics of
sand is critical to such things as driving, digging and mining.
NASA-supported scientists are working to understand Martian soil to
prepare for the day when astronauts land on the red planet.
Interior Design - Imperizon

FULL STORY at

http://science.nasa.gov/headlines/y2005/31jan_sandsofmars.htm?list1097707