Stone Tools Found In Kenya Are Oldest Ever Discovered, But Who Made Them? Stone tools discovered in Africa are 3.3 million years old, older than the earliest humans. What earlier ancestor species may have created them remains a mystery, researchers say. by Jim Algar
Science Better Hunting Weapons Of Early Humans Didn't Cause Demise Of Neanderthals, Study Finds by Jim Algar
Science Female Chimpanzees Use Tools, Including Spears, More Often Than Males While Hunting, Study Reveals by James Maynard
Science Stone Age Axes Show Evidence Of Early Humans Using High-Level Cognitive Functions by Jim Algar
Science Stone Age tools did not originate from Africa, toolmaking skills developed independently worldwide by Rhodi Lee