Human ancestors invented stone tools several times | Max-Planck-Gesellschaft
Australopithecus and Homo habilis | Sutori
From sticks to stones: getting a grip on the human genus
Oldest stone tools pre-date earliest humans - BBC News
Skull of 3.8-million-year-old early human discovered in Ethiopia | CNN
Human Ancestors May Have Used Tools Half-Million Years Earlier Than Thought
Australopithecus afarensis, Lucy's species | Natural History Museum
Hominids used stone tool kits to butcher animals earlier than once thought
OLDEST STONE TOOLS AND WHO USED THEM | Facts and Details
Human evolution - Refinements in tool design | Britannica
Living Great Apes are Smarter than Australopithecines, New Research Suggests | Sci.News
Australopithecus garhi - Wikipedia
Humans May Have Been Crafting Stone Tools for 2.6 Million Years | Smart News| Smithsonian Magazine
Stone tool - Wikipedia
Australopithecus garhi | The Smithsonian Institution's Human Origins Program
Fossils suggest that 'Lucy' species used stone tools
Study: Three-million-year-old ancestor had human-like hands | Al Arabiya English
Meet Chewie, the Biggest Australopithecus on Record - Scientific American
Becoming Human: The Origin of Stone Tools | Science| Smithsonian Magazine
Human ancestors got a grip on tools 3 million years ago | New Scientist
Tool-use became widespread 10,000 years earlier than we thought | New Scientist
Tools from China are oldest hint of human lineage outside Africa
