This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...
On the Red Planet’s northern hemisphere, there are frozen sand dunes that look just like kidney beans-but you definitely ...
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Vast white sand dunes stretch endlessly, cradling countless turquoise lagoons that form after seasonal rains. This unique landscape, a rare desert oasis, offers a breathtaking combination of ...
Behind many of these beaches are sand dune systems which provide homes for diverse forms of wildlife including plants and insects, some so highly specialised that without these dune habitats ...