Pfupisa nyaya yacho:  Kutengeserana kwaiitwa pakati peEast Asia neNew World mazana emakore Christopher Columbus asati asvika munharaunda yacho muna 1492. Ikoku kuri mukuwirirana nenhevedzano yezvishandiso zvendarira zvakawanwa panzvimbo ye'Rising Whale' muCape Espenberg, Alaska. Vanochera matongo vakawana zvavanodavira kuva chibatiso chendarira necheganda uye muridzo wendarira, unobva munenge muna A.D. 600. Kutengeserana kwaiitwa pakati peEast Asia neNew World mazana emakore Christopher Columbus (kuruboshwe) asati asvika muna 1492. Zvakawanikwa pashure pokunge vanochera matongo vawana zvavanofunga kuti ibhandi remhangura nedehwe (kurudyi), rakatanga kunyorwa munenge muna A.D. 600. Kushanda kwebronze kwakanga kusina kugadzirwa panguva ino muAlaska, uye vatsvakurudzi panzvimbo pezvo vanodavira kuti zvinhu zvacho zvakasikwa muChina, Korea kana Yakutia. 'Tiri kuona kudyidzana, kusina kunanga sezvazviri, ne'nzanga dzakakwirira' idzi dzeChina, Korea kana Yakutia,' Owen Mason, mushandi anotsvakurudza paUniversity of Colorado, akaudza LiveScience. 'Mhangura yomunzvimbomo nesimbi inobva mumeteorite zvakagadzirwa nezvinhu zvakasiyana-siyana nevagari vekare vekare vomunyika dzakapoteredza Arctic uye dzakapoteredza Arctic dzokuNorth America,' inodaro boka rinotsvakurudza riri papeji yepaIndaneti inonzi Arctic Research Consortium. '[Asi] hapana uchapupu hwokunyungudutsa, kukanda, kana kuti kusanganisa simbi muWestern Hemisphere kuchamhembe kweMexico vaEurope vasati vasvika. Kushanda kwebronze kwakanga kusati kwaitwa panguva iyi muAlaska, uye vatsvakurudzi vanofunga kuti zvinhu zvacho zvakagadzirwa muChina, Korea kana Yakutia. Mufananidzo wacho ndewevanochera matongo vari kushanda panzvimbo yeRising Whale paCape Espenberg, Alaska. Vanzveri vanodavira kuti avo vaigara panzvimbo yeRising Whale vangava rutivi rwezvinonzi nesayenzi tsika ye'Birnirk'. "Nokuda kwechikonzero ichocho, zvinhu zviviri izvi zvinopa uchapupu hwakanakisisa uye husinganzwisisiki kusvikira kuzuva rino hwokuti simbi dzisiri dzesimbi dzakasanganiswa dzakasanganiswa dzakanga dzichisvika muAlaska kupfurikidza nokutengeserana kwepamberi penguva yakapfuura Bering Strait". Vanzveri vanodavira kuti avo vaigara panzvimbo yeRising Whale vangava rutivi rwezvinonzi nesayenzi tsika ye'Birnirk.' Iyi i...
Bhandi rebronze uye muridzo kubva muna AD 600 zvakawanikwa muCape Espenberg. Asi kugadzira ndarira kwakanga kusati kwabudirira panguva iyi muAlaska. Masayendisiti anodavira kuti zvinhu zvakaumbwa muChina, Korea kana kuti Yakutia. Nzvimbo yacho ingangodaro yaiva musha wetsika ye'Birnirk', iyo vanhu vayo vaifamba kumativi ose eBering Strait.