Add Yahoo as a preferred source to see more of our stories on Google. A mind-blowing video shows a clever cow using a tool to scratch herself, with a researcher saying thousands of years of ...

A recent study assessed wild chimpanzees’ use of sticks as a tool, monitoring how chimps of different ages gripped and manipulated the implement to retrieve food from tricky places. The study found ...

Many younger people know the pain of trying to teach an older person how to print a PDF or navigate the internet. But, of course, some people keep with the times and still learn how to use new tools ...

Understanding the ways humans and animals organize and execute complex sequences of behavior sheds light on the evolution of cognition. Sequential behaviors, such as language, music, and tool use, ...

Wild chimpanzees show reduced participation and performance in their tool-use behaviours as they experience old age, according to long-term video observations. The study, published today in eLife, ...