Ana sanya aiki a cikin liyafar ilmin kimiyyar halitta. Kasuwanci a cikin kasuwanni babban haɗin gwiwa ne ga rayuwar Mayan ƙarshen al'ummomin (600-900 na zamaninmu). An san cewa Mayan kuɗi da aka yi amfani da su, auren zane da kuma samfuran jan ƙarfe.
Wani sabon binciken masanin kimiyya daga Jami'ar Jiha na Louisiana (Amurka) Heather McCillop ya ce Majalisa na iya zama kuɗi. Bayan duk, wannan samfurin ya zama dole don aikin al'ada na jiki kuma yana da amfani ga canning abinci. Bugu da kari, gishiri na iya gabatar da darajar Maya saboda ƙarancin rarrabawa a yankin mazaunin gidan su.
A shekara ta 2004, godiya ga matcherologys na ruwa, farfesa na Ma'aikatar Geolography da Anthropology a Kudancin Lotisa da aka yi da itace da bambaro. Sun kasance suna zama saboda gaskiyar cewa sun ambaliyarsu a cikin logine Logoon, a cikin mangrove. Tun daga nan, Heather McCillop da kuma ƙungiyar ɗalibanta da ɗaliban da suka kammala karatunsu a taswira, waɗanda ke ba da shaida ga gishirin gishiri da kuma amfanin Maya. Daga cikin wadansu abubuwa, masana suka sami CanoEing, kayan aiki daga Jadeite, kayan aikin dutse da aka yi amfani da shi don salting nama da kifi, da yawa daga samfuran yumbu. The masanin kimiyya yi imanin cewa Maya Boiled ruwa-ruwa hydrochloride bayani a yumbu tukwane a kan wuta to tsantsa gishiri.
A ra'ayinta, a wannan wurin akwai irin "shuka" don samar da gishiri, tunda sikelin samarwa yana nuna cewa a fili maya ba a fili ba a bayyane. Wataƙila, suka haɗu da gishiri a bakin kogin sayarwa. Bugu da kari, farfesa da daliban digiri sun bincika daruruwan kwakwalwan kwamfuta na kayan yumbu don gishiri, kuma ya sake haihuwar yumɓu a firinta 3D. Saboda wannan, yana yiwuwa a kafa cewa tasoshin yumɓu ana amfani da su don yin brine an daidaita shi ta ƙaru taro.
Kuma wannan yana nuna yiwuwar amfani da shi azaman kuɗi. Wannan kuma nuna kai tsaye ne da Ma'an Frecho, rubuta fiye da shekaru 2500 da suka gabata akan yankin Yucatan (Mexico) da kuma nuna mai siyarwa da gishiri. Bayanin ethnographic da aka tattara a cikin 1981 a Guatemala kawai ya tabbatar da ra'ayin: gishiri a kan wannan ƙasa a cikin tsufa za a iya la'akari da samfurin mai mahimmanci. An samar da shi kuma an sayo shi, sannan kuma ana amfani dashi azaman naúrar kuɗi.
Source: Kimiyya mara kyau