While there are lots of knife sharpeners on the market to save you from such a fate, sharpening stones have been used for millennia with the earliest proof of them being used dating back 3.3m years.

Learn the proper technique to sharpen a knife on a whetstone and achieve an extremely sharp edge. This step-by-step guide ...

The Wenquan Paleolithic site in Ruzhou, Central China's Henan Province, has yielded a collection of Acheulean tools, ...