Working in railways, mines, and mills caused thousands of deaths in the early 20th century and before. Photos show the ...

Amid Earth’s mobile tectonic plates, subduction zones arise as regions of intense geological activity and concentrate minerals into ore deposits like gold.

Witness the fascinating process of iron casting using sand molds, where molten metal takes shape with precision. Skilled ...

Want to create your own Cuban link chain? Our friendly guide walks you through each step, from the first link to the final polish. Perfect for beginners!