Sulphuric acid is typically injected into the aquifer rock that contains the uranium to dissolve it. The mine then pumps out ...

This 1935 map of Africa is more than just a historical artifact—it’s a window into the past. As we unroll its fragile pages, ...

Namibia ’s Sossusvlei salt pan, Zambia ’s Victoria Falls, the Serengeti ’s Great Migration, and Botswana ’s Okavango Delta ...