Thinking, Language and Intelligence. Cognition Mental Activities Acquiring, retaining and using knowledge THINKING!Documents Ingxenye yokuqala yomchamo ayisetshenziselwa ucwaningo. Konke okunye kudinga ukuqoqwa kungakapheli amahora angama-24. ‘Sipho, what will happen if there isn’t anyone around? You know, Granny was telling me about a time – when we were young – when one of our neighbours lost all his calves because of diarrhoea. Grandpa was still alive then. He kept lots of cows and one of them had bad diarrhoea but he didn’t lose any calves. Do you know why? It was because Grandpa knew that a cow with diarrhoea has probably been infected with a germ. Germs come out in the faeces and can spread to other cows. So, Grandpa treated the cow with ‘weeping wattle’ as soon as he noticed. Then he kept it away from all the other animals, to prevent the spread of disease in the herd. If he didn’t understand what causes disease, many of the cows could have died.’