Owner behavior affects effort and accuracy in dogs' communications

Human communication has evolved mechanisms that can be observed across all cultures and languages, including the use of communication history and the principle of least effort. These two factors enable us to use shared information ...

Being copycats might be key to being human

Chimpanzees, human beings' closest animal relatives, share up to 98% of our genes. Their human-like hands and facial expressions can send uncanny shivers of self-recognition down the backs of zoo patrons.

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