Jami'ar Jihar Michigan da ke Amurka ta shahara da ilimi, noma da ka'idojin sadarwa.Amma mutane kalilan ne suka san cewa jami’ar ta kwashe fiye da karni guda tana gadin kwalaben gilashi 20.Wani Dokta Liam Bill ne ya kirkiro wadannan kwalabe shekaru 137 da suka gabata, wanda ya yi gwajin ciyawa a gonakin noman.Kowace kwalbar tana dauke da nau’in irin shuka iri iri 23 kuma an binne ta a sassa daban-daban na jami’ar, inda a ka’idar cewa duk lokacin da aka bude kwalba sai an cika shekaru biyar don ganin ko har yanzu tsaban sun tsiro.A wannan adadin, zai ɗauki shekaru 100 don buɗe dukkan kwalabe 20.A cikin 1920s, wani farfesa ya ɗauki gwajin, wanda ya yanke shawarar tsawaita lokacin buɗe kwalabe zuwa shekaru 10, saboda sakamakon ya zama mafi kwanciyar hankali kuma wasu iri koyaushe suna tsiro a kowane lokaci.Saboda wannan dalili, "magajin kwalba" na yanzu, Farfesa Trotsky, ya yanke shawarar bude kwalabe sau ɗaya a kowace shekara 20.A wannan yanayin, gwajin ba zai ƙare ba sai aƙalla shekara ta 2100. A wani liyafa, wani abokinsa ya tambayi Trotsky cikin zolaya: “Shin gwajin da kuka yi da kwalabe 20 da aka fasa har yanzu yana da daraja?Ba mu ma san ko sakamakon zai yi amfani ba!”“Ni ma ba zan iya ganin karshen sakamakon gwajin ba.Amma mai kula da kwalabe na gaba zai ɗauki gwajin.Ko da a ce gwajin ya zama na yau da kullun, abin ban mamaki shi ne cewa zaɓinmu shi ne mu tsaya da shi har sai amsar ta fito!”Trotsky ya ce.
　　

Gwajin, wanda a yanzu ya dauki tsawon karni guda, yana iya zama kamar wani gwaji na yau da kullun, amma abin mamaki ba wanda, a kan masu rike da kwalabe marasa adadi, da ya yi tunanin ba daidai ba ne ko kuma ya ajiye shi, kuma an yi shi da tunani guda har yau. .Gilashin gilashi 20 suna nuna ruhun Jami'ar Jihar Michigan - tsayin daka da neman gaskiya.