Although she was one of the first non-human apes to communicate with humans in the form of signed symbols, she did not ever truly acquire language. The question scientists still wrestle with today is what exactly is going on in the minds of toddlers that allows them to acquire and use language where chimpanzees fail? And how does this relate to the skills that define human intelligence, allowing us to create moon landers and chai lattes?
Ingawa alikuwa mmoja wa nyani wa kwanza wasio wanadamu kuwasiliana na wanadamu kwa njia ya ishara, hakupata lugha ya kweli. Swali ambalo wanasayansi bado wanapambana nalo leo ni nini hasa kinaendelea katika akili za watoto wachanga kinachowawezesha kupata na kutumia lugha pale ambapo sokwe hushindwa? Na hii inahusianaje na ujuzi unaofafanua akili ya binadamu, kuruhusu sisi kuunda watuaji wa mwezi na lattes ya chai?