Pedro Cantalejo, shugaban kogon Ardales na Andalusian, yana kallon zane-zanen kogon Neanderthal da ke cikin kogon. Hoto: (AFP)
Wannan gano abin mamaki ne domin mutane suna tunanin cewa Neanderthals na da da kuma mugunta, amma zana kogo sama da shekaru 60,000 da suka wuce abin mamaki ne a gare su.
Masana kimiyya sun gano cewa lokacin da mutanen zamani ba su zauna a nahiyar Turai ba, Neanderthals suna zana stalagmites a Turai.
Wannan gano abin mamaki ne domin ana ɗaukar Neanderthals a matsayin masu sauƙi da mugunta, amma zana kogo sama da shekaru 60,000 da suka wuce abin mamaki ne a gare su.
An ƙirƙiri zane-zanen kogo da aka samu a cikin kogo uku a Spain tsakanin shekaru 43,000 zuwa 65,000 da suka gabata, shekaru 20,000 kafin mutanen zamani su isa Turai. Wannan ya tabbatar da cewa Neanderthals ne suka ƙirƙiro zane-zane kimanin shekaru 65,000 da suka gabata.
Duk da haka, a cewar Francesco d'Errico, wanda ya rubuta wata sabuwar takarda a mujallar PNAS, wannan binciken yana da ce-ce-ku-ce, "wani labarin kimiyya ya ce waɗannan launuka na iya zama abu na halitta" kuma sakamakon kwararar ƙarfe ne.
Wani sabon bincike ya nuna cewa abun da fentin ya kunsa da kuma matsayinsa ba su dace da tsarin halitta ba. Madadin haka, ana shafa fenti ta hanyar fesawa da hura iska.
Mafi mahimmanci, yanayinsu bai yi daidai da samfuran halitta da aka ɗauka daga kogon ba, wanda ke nuna cewa launin ya fito ne daga wani tushe na waje.
Ƙarin bayani game da lokacin da aka yi amfani da su ya nuna cewa an yi amfani da waɗannan launuka a wurare daban-daban, fiye da shekaru 10,000 a tsakaninsu.
A cewar d'Errico na Jami'ar Bordeaux, wannan "yana goyon bayan hasashen cewa Neanderthals sun zo nan sau da yawa tsawon dubban shekaru don yin alama a kogo da fenti."
Yana da wuya a kwatanta "fasaha" na Neanderthals da frescoes da masana zamani na zamanin da suka gabata suka yi. Misali, frescoes da aka samu a cikin kogo na Chauvie-Pondac a Faransa sun fi shekaru 30,000 tsufa.
Amma wannan sabon binciken ya ƙara tabbatar da cewa zuriyar Neanderthal ta ɓace kimanin shekaru 40,000 da suka wuce, kuma ba su ne dangin Homo sapiens da aka daɗe ana kwatanta su da Homo sapiens ba.
Ƙungiyar ta rubuta cewa waɗannan zane-zane ba "fasaha" ba ne a ma'anar da ba ta da ma'ana, "amma sakamakon ayyukan zane ne da aka yi niyya don ci gaba da ma'anar alama ta sararin samaniya."
Tsarin kogon "ya taka muhimmiyar rawa a tsarin alamomin wasu al'ummomin Neanderthal", kodayake ma'anar waɗannan alamomin har yanzu asiri ne.