Godiya ga wata sabuwar fasahar kere-kere da Cibiyar Rasha ta Nazarin Kimiyyar Magunguna, karnuka za su iya numfashi sama da mita 500 a karkashin ruwa. Gidauniyar don bincike na gaba, wanda aka kirkiro don samar da masarufi don taimakawa aikin ceton ma'aikatan jirgin ruwa.
Wannan fasaha tana ba da numfashi na ruwa wanda ke sauƙaƙa cika huhu da ruwa na musamman mai wadataccen narkewar oxygen wanda ke ratsa jini. Sabili da haka, wannan ruwan yana ba da jiki da iskar oxygen kuma yana ba masu sauƙaƙa damar hawan sauri zuwa farfajiyar, don haka guje wa kamuwa da iska. Godiya ga wannan, karnuka na iya zauna cikin ruwa na rabin awa a zurfin har zuwa mita 500.
Igor Cherniak, daya daga cikin masu tallata aikin, ya bayyana cewa kungiyar masana kimiyya na iya gani yayin binciken yadda dachshund ya kasance na mintina 15 a karkashin ruwa. “A bayyane, huhun kare ya cika da wani ruwa mai dumbin oxygen, wanda ya bashi damar shan iska a karkashin ruwa. Lokacin da suka fitar da shi, ya dan rame saboda yanayin sanyi, amma bayan 'yan mintoci kadan ya murmure, "in ji shi. A cewarsa, duk dabbobin da aka yi wa wadannan gwaje-gwajen suna cikin koshin lafiya.
Shekaru da dama da suka gabata an bincika wannan fasaha a cikin beraye da sauran dabbobi, kodayake ba a gwada ta a cikin karnuka ba sai kwanan nan. Koyaya ci gabanta yana cikin farkon lokaci, kamar yadda Vitali Davidov, mataimakin darekta janar na gidauniyar bincike na gaba ya bayyana, tare da kalmomi kamar su "dole ne ka zabi abubuwan da ke cikin ruwan, ka kammala yadda za ka bullo da cire shi daga jiki ka tabbatar da fitowar iskar carbon dioxide. "
Babban maƙasudin wannan gwaji mai rikitarwa shine ƙara haɓaka karnuka a cikin ayyukan ceto, kodayake matukan jirgi da 'yan sama jannati Hakanan zasu iya yin amfani da wannan fasaha.