Mafala ya m'nyantsi

a Masiyentista yambalewa kuti wanthufe timbakhala na luso lomwe limbatithandiza kudziwa bwino thupi lathu na kudziwambo pomwe pambakhala bziwalo bzathu. Mwa ciratizo, luso limweri limbakuthandizani kukwanisa kumenya m’manja mudaphophoma. Munthu munango omwe adaduwala matenda yomwe yadadzonga luso limweri, akhakwanisa lini kuima, kufamba ne kukhala pansi.