And those bumps were theorized to have an impact on the efficiency of fog collection ... lack in traditional water sources, they make up for in fog, like the Namib Desert. It's one of the oldest ...

In this land of rippling red dunes and golden grasses crowned by vast skies, listen and you’ll hear something rare: silence. The 730-sq.-mile NamibRand ...

This story appears in the June 2011 issue of National Geographic magazine. At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand ...