~tool
What were early human tools used for?
What is a tool?
What is the relationship between humans and tools?
What materials were early human tools made of?
What are some briefer definitions of a tool?
Why do anthropologists believe the use of tools was important in the evolution of mankind?
What is the purpose of tool use by animals?
What is the unique characteristic of humans in terms of tool usage?
When did the first routine use of tools take place?
What is the history of machine tools?
What are some examples of tool use by primates?
What are cutting and edge tools used for?
What is the timeline of ancient tool development?
Which animals use tools?
What are some examples of animals using tools?
