Ukuphela kwamaNeanderthal okwenziwe yi-flip ye-magnetic field yomhlaba eminyakeni engama-42,000 eyedlule, isifundo siveza
Ucwaningo lwakamuva luthole ukuthi izigxobo kazibuthe zeplanethi enguMhlaba zashintsha eminyakeni engaba ngu-40,000 edlule, esigamekweni esalandelwa ukuguquka kwemvelo emhlabeni wonke kanye nokushabalala okukhulu…