Learn about a 500,000-year old hammer made from elephant bone, used by early humans in England to sharpen stone tools.

A collection of wall charts and diagrams originally created as teaching aids for the writer's classes in experimental archeology. siris_sil_944871 ...

I made a polished stone celt axe using only primitive tools. Grinding and shaping the stone carefully produced a sharp, functional axe. Costco sues the Trump administration, seeking a refund of ...