All  

drilling

Man-made holes visible amongst the natural erosion features of the granite rock in Sudan

Were Peculiar Holes Drilled in Rocks Used to Construct Shelters by Ancient Sudanese?

Archaeologists working at the site of Sphinx, in central Sudan, have examined closely some peculiar man-made holes in rocks located on the west bank of the River Nile. They now speculate that the...

Eight Impressive but Terrifying Cases of Ancient Surgery

It is hard to fathom the way in which invasive surgery was carried out prior to the development of modern anaesthesia, but ancient people around the world have been cutting and drilling into the...