Shin kuna ganin cewa halittun farko da suka fara yawo a wata sun kasance karnuka? Ba komai. Haka ne, karnuka sune ainihin dabbobin farko wadanda suka sami damar dawowa Duniya bayan tashi zuwa sararin samaniya. Koyaya, fifikon, duk da haka, ya kasance tare da kunkururan tsaka-tsakin Asiya - rayayyun halittu waɗanda sune farkon waɗanda suka fara kewaya wata.
Kaddamar da wani jirgin sama mai suna Zond-5, wanda aka kirkireshi bisa sanannen kumbon Soyuz na kasar Rasha, ya gudana ne a tsakiyar watan Satumba na shekarar 1968. An yanke shawara karba kunkuru biyu saboda wadannan sune dabbobin da suka fi tauri wadanda suke dadewa, na tsawon lokaci, zasu iya yi ba tare da ci da sha ba. Ari da, ba sa buƙatar iskar oxygen da yawa. An sanya dabbobin cikin kwantena na musamman tare da tsarin iska na al'ada, kuma an bar wadataccen abinci a can.
Af, ba za ku gaskata shi ba, amma tare da kunkuru, fa fruitan fruitaetan itace, ƙwaro, lambun tradescantia tare da ƙwayayen da basu riga sun yi fure ba, seedsa ofan alkama, pine, sha'ir, chlorella algae, da kuma wasu nau'ikan ƙwayoyin cuta sun yi ta yawo a wata. A wancan lokacin, ba wani hadadden tsarin ciyar da su, samar da ruwa mai tsafta ga tsarin har yanzu ba a kirkire shi ba.
Rayuwa bayan saukowa
Tuni bayan kwana bakwai sai jirgin ya fantsama a cikin yanki-zane na Tekun Indiya. Haka ne, yanayin sauka ya kasance mai tsananin wuya. Kuma wannan ya kasance ana tsammanin. Koyaya, abin mamaki, kunkuru sun rayu, kuma masana kimiyya basu gano wani karkacewa ba. Bayan dawowa lafiya cikin Duniya, "mahaukatan" sun nuna kwazo sosai - sun ci da yawa, tare da tsananin son abinci, da sauri fiye da yadda suka saba kuma sun motsa sosai. Kunkuru, yayin duk gwajin, har ma sun yi asarar kimanin kashi goma cikin ɗari. Yayin da ake bincika da nazarin jinin kunkuru, ba a sami wata gagarumar karkacewa ba, idan aka kwatanta da bayanan sarrafawar da aka gudanar kafin ƙaddamar da na'urar.
Makonni da yawa sun shude yayin da ake kawo kunkuru zuwa babban birni. Wataƙila shi ya sa wannan gwajin ba shi da wani darajar kimiya ta musamman. Turtuna da sauri sun sami damar daidaitawa da nauyinsu na asali, koda bayan kwana bakwai cikin yanayin rashin nauyi.