Kanzi exploits ignited immediate controversy over one question:had Kanzi learned language?

In the 1980s, a bonobo named Kanzi learned to communicate with humans to an unprecedented extent?not through speech or gestures,but using a keyboard of abstract symbols representing objects and actions.By pointing to several of these in order,he created sequences to make requests,answer verbal questions from human researchers,and refer to objects that weren physically present.Kanzi exploits ignited immediate controversy over one question:had Kanzi learned language?