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 ...

So much of nature is just as ominous as it is beautiful. And that’s definitely true of the sand dunes in Slowinski National ...

You may have been to Marbella, Cadiz, or nearby Gibraltar, but have you ever heard of Duna de Bolonia? This giant sand dune in southern Spain is about 98 feet high and 656 feet wide, making it ...

With its oversized seeds and small leaves, Peirson's milk vetch is well adapted for survival in the harsh conditions of blowing sand dunes. Large seeds ensure that germinated seedlings have enough ...