UMary Allen
Izinja zihamba nabantu isikhathi esingakanani? Abacwaningi eNyuvesi yase-Arkansas bazibuze lo mbuzo futhi bathola ukuthi inja cishe yayifuywe ngesikhathi se-Ice Age.
Ucwaningo lwezinyo ensaleni yezinto eziphilayo ezineminyaka engaba ngu-28,500 XNUMX ubudala lwaseCzech Republic lubonisa ukuthi ngaleso sikhathi kwase kunomehluko kakade phakathi kwezilwane ezinjengezinja nezilwane ezinjengezimpisi. Ukudla okuhlukahlukene kusikisela ukuthi ngalesi sikhathi inja yayisithanjisiwe kakade ngabantu, okungukuthi, igcinwe njengezilwane ezifuywayo. Lesi isiphetho abacwaningi abafinyelele kuso ocwaningweni lwabo olusanda kushicilelwa.
Ukuze benze lokhu, bahlola futhi baqhathanise izicubu zamazinyo ezilwane ezinjengezimpisi nezinja. Ososayensi baqaphela amaphethini acacile ayehlukanisa izinja ezimpisini. Amazinyo ezinja ze-Ice Age ayenemihuzuko eminingi kunezimpisi zakuqala. Lokhu kusikisela ukuthi babedla ukudla okunzima nokuphuka kalula. Isibonelo, amathambo noma ezinye izinsalela zokudla kwabantu.
Ubufakazi Bezinja Zasekhaya Bubuyela Emuva Eminyakeni Engaphezu Kwezi-28,000
Ngakolunye uhlangothi, amadlozi empisi ayedla inyama. Isibonelo, ucwaningo lwangaphambili luphakamisa ukuthi izilwane ezinjengezimpisi kungenzeka ukuthi zidle inyama ye-mammoth, phakathi kwezinye izinto. "Umgomo wethu oyinhloko kwakuwukuhlola ukuthi lezi zindlela zokuziphatha ziye zahluke ngokuphawulekayo ngokusekelwe emaphethini okugqoka," kuchaza uPeter Unger, omunye wabacwaningi, ku-Science Daily. Le ndlela yokusebenza ithembisa kakhulu ukuhlukanisa nezimpisi.
Ukugcina izinja njengezilwane ezifuywayo kubhekwa njengendlela yokuqala yokufuywa. Ngisho nangaphambi kokuba abantu baqale ukulima, babefuya izinja. Naphezu kwalokhu, ososayensi basaphikisana ngokuthi nini futhi kungani abantu bezifuya izinja. Kulinganiselwa ukuthi kusukela eminyakeni engu-15,000 40,000 kuya ku-XNUMX XNUMX edlule, okungukuthi, phakathi neNkathi Yeqhwa.