Ka taƙaita labarin:  Wataƙila an adana ɗaya daga cikin tsofaffin ƙwaƙwalwar ɗan adam da aka taɓa ganowa fiye da shekaru 2,000 saboda laka, in ji masana kimiyyar kayan tarihi. An gano sashin jikin zamanin ƙarfe a cikin kwanyar da aka yanke a York shekaru bakwai da suka gabata kuma tun daga wannan lokacin masana sun gudanar da gwaje-gwaje don bayyana yadda za a iya tsayayya da gwajin lokaci. Gwaje-gwaje sun bayyana cewa kwakwalwar da sauran ragowar sun kasance shekaru 2,600 da suka gabata kuma sun tsira saboda an binne kan a cikin ramin yumbu da aka rufe ba tare da iskar oxygen ba, jim kaɗan bayan mutuwar mai shi. Tsohon kwakwalwar mutum da aka taba ganowa, wataƙila an kiyaye shi sama da shekaru 2,000 godiya ga laka, in ji masana ilimin kimiyyar kayan tarihi. An gano sashin jikin da ba a lalata ba a cikin wani kwanyar da aka yanke a York shekaru bakwai da suka gabata kuma tun daga wannan lokacin masana sun gudanar da gwaje-gwaje don bayyana yadda za a iya tsira da nama. A shekara ta 2009, masana kimiyyar kayan tarihi daga York Archaeological Trust sun gano wani kwanyar da jaw da biyu vertebrae har yanzu a haɗe da shi, a Heslington, York. An sami kwanyar a cikin rami ba tare da wata shaida ba game da abin da ya faru da sauran jikin. Da farko, masu binciken kayan tarihi sun yi tunanin sun sami kwanyar kwanyar al'ada kuma ba sai an tsabtace kasusuwa ba ne suka sami 'wani abu mai sassauci' a ciki. Rachel Cubitt, Jami'in Ayyukan Tarin Tarin ya ce: <unk>Na duba ta cikin ramin a gindin kwanyar don bincika kuma ga mamakina na ga adadi mai yawa na rawaya mai haske. <unk>Ba kamar wani abu da na taɓa gani ba.<unk> Wani masanin kimiyyar kayan tarihi a Jami'ar Bradford ya tabbatar da cewa wannan kwayar kwakwalwa ce kuma kwararru daga asibitin York Mortuary sun sami damar cire saman kwanyar don bayyana kwakwalwar mutum mai kyau sosai. An sami kwanyar (hoton) a cikin rami ba tare da wata alama ba game da abin da ya faru da sauran jikin. A wannan hoton har yanzu ana rufe shi da laka, yana kare abubuwan da ke ciki. Masana ilimin kimiyyar kayan tarihi da farko sun yi tunanin kwanyar ba ta da ban mamaki, amma bayan da aka bincika ta sosai, sai suka ga 'wani abu mai launin rawaya mai haske' wanda ya zama...
An gano kwakwalwa a cikin wani kwanyar da aka binne a Heslington, York, a shekara ta 2009. Tun daga wannan lokacin masana sun gwada shi kuma sun bincika shi. Sun yi imanin cewa an adana shi ne saboda an binne shi a cikin rami mai laka. Fats da sunadarai sun haɗu tare don samar da wani nau'i na kwayoyin halitta. Masana ilimin kimiyyar kayan tarihi sun yi imanin cewa mutumin zamanin ƙarfe ya mutu da mummunan mutuwa.