Source: Wikipedia
The mystery of how the pyramids were built has attracted more nonsense than almost any question in archaeology. But underneath the noise sits a real and specific engineering problem…
Source: Wikipedia
The Naica mine in the Mexican state of Chihuahua has been producing lead, zinc, and silver for well over a century. It is a working industrial site, and the…
For most of human history, a sky thick with stars was simply what night looked like. Artificial light has changed that for a large share of the world's population, and…
Most claims about remote places come with an asterisk. The remotest inhabited island still has a harbour and a supply ship. The remotest town has a road, or at least…
The number of continents is one of the first facts most people are taught about the world, and one of the least questioned. Seven: Africa, Antarctica, Asia, Australia, Europe, North…
There is nothing quite like looking into a crater and understanding, in a physical way, that the ground you live on is a thin crust over something enormous. These fourteen…