technology
Numbers are a cognitive technology
Studies of a language without many words for numbers help to illustrate the way that language guides human thinking.
What killing methods enabled Neandertals to hunt large prey animals?
A look at sites where ancient people killed many animals at once provides insight into their knowledge of the social behavior of prey animals.
Looking at the traces of wear on tools used by capuchin monkeys
Studying microscopic traces of wear on tools helps create a comparative body of data for early hominin use of tools.
The earliest stone toolmakers had some technological sophistication
Several studies consider the stone flaking decisions necessary for Oldowan tool manufacture.