Umbhalo Waphansi

a (Amakhemikhali) akha umthofu athi awafane nakha igolide. Izazi zanamuhla zesayensi yemvelo zikwazile ukushintsha umthofu omncane waba igolide, kodwa lokhu kudinga amandla amakhulu kangangokuthi kuvele kufane nokudlala ngemali.