Ukuhlaziywa kokhuni lokujikijela ngokhuni olunamaphuzu amabili, olwatholwa eSchöningen, eJalimane eminyakeni engu-30 edlule, kwembula ukuthi lwaluklwetshiwe, lwafakwa isinongo futhi lwafakwa isihlabathi ngaphambi kokuba lusetshenziselwe ukuzingela izilwane. Lolu cwaningo luye lwabonisa ukuthi abantu bokuqala babenekhono elithuthuke kakhulu lokwenza izinkuni kunalokho okwakucatshangwa ngaphambili.
Ucwaningo luphakamisa ukuthi ikhono lokudala izikhali ezingasindi livumele ukuzingela kwezilwane ezinosayizi ophakathi nendawo nezincane njengomsebenzi weqembu. Ukusebenzisa izinduku zokujikijela njengethuluzi lokuzingela bekungaba umcimbi womphakathi, kuhlanganise nezingane.
Ucwaningo lwenziwe nguDkt. Annemieke Milks ovela eMnyangweni Wokuvubukula we-University of Reading. Ngokusho kwakhe, ukwambulwa kwamathuluzi okhuni kuguqule umbono wethu wezenzo zabantu bakudala. Kuyamangaza ukuthi laba bantu bokuqala babekwazi ukubona izinto kusengaphambili kanye nekhono elikhulu kangaka ngokhuni, baze basebenzise izindlela eziningi ezifanayo zokuzoba ngokhuni ezisasetshenziswa nanamuhla.
Amandla okuthi wonke umphakathi ubambe iqhaza ekuzingeleni kungenzeka akhuliswe yilezi zinti zokujikijela ezilula, ezilawuleka kakhulu kunemikhonto esindayo. Lokhu bekungavumela izingane ukuba zizijwayeze ukujikijela nokuzingela nazo.
U-Dirk Leder, omunye wababhali, waphawula ukuthi abantu bakwaSchöningen benza ithuluzi le-ergonomic ne-aerodynamic kusuka egatsheni lesihlahla sonwele saseYurophu. Ukuze bafeze lokhu, kwakudingeka banqume futhi bahlubule amagxolo, bawalolonge, basuse ungqimba, bafake ukhuni ukuze bagweme ukuqhekeka noma ukugoqa futhi balufake ngesihlabathi ukuze luphathwe kalula.
Ngo-1994, kwambulwa induku engu-77cm ubude e-Schöningen, kanye namanye amathuluzi anjengokujikijela imikhonto, imikhonto ehlabayo, nenduku yokujikijela eyengeziwe yobukhulu obufanayo.
Ocwaningweni olusha, induku yokujikijela enamaphuzu amabili yahlolwa ngendlela ecophelela kakhulu. Leli thuluzi cishe lalisebenzela abantu bakudala ekuzingeleni inyamazane ephakathi nendawo, efana nenyamazane ebomvu nenyamazane, kanye nezilwane ezincane ezisheshayo, okuhlanganisa onogwaja nezinyoni, okwakunzima ukuzibamba.
Kungenzeka ukuthi abantu bakudala babekwazi ukujikijela izinduku ngokuzungeza, okufana ne-boomerang, ibanga elingamamitha angu-30. Yize lezi zinto bezilula, bezingadala imithelela ebulalayo ngenxa yesivinini ebezingathulwa ngaso.
Amaphoyinti aklanywe kahle nengaphandle elipholishiwe, kanye nezimpawu zokuguga, konke kukhomba ukuthi lesi siqeshana sisetshenziswa izikhathi eziningi, singakhiqizi ngokushesha bese siyalibaleka.
UThomas Terberger, umcwaningi oholayo, uthe ukuhlolwa okuphelele kwe-Schöningen okuxhaswe ngezimali kwe-German Research Foundation kuveze ulwazi olusha oluwusizo nokuthi idatha evuselelayo eyengeziwe mayelana nezikhali zokhuni zakudala ilindelwe maduze.
Ucwaningo lwanyatheliswa kumagazini PLoS ONE ngoJulayi 19, i-2023.
