News tagged with sand dunes

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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

Why 'singing' sand dunes hum certain notes

What does Elvis Presley have in common with a sand dune? No, it's not that people sometimes spot both in the vicinity of Las Vegas. Instead, some sand dunes, like The King, can sing. And new research looking ...

Oct 25, 2012
4.8 / 5 (5) 1 | with audio podcast