izindaba

Abacwaningi bathole imibala yangempela yeqembu lezinambuzane ezimbiwa phansi ezazivaleleke enhlaka eMyanmar eminyakeni engaba izigidi ezingu-99 edlule.Izinambuzane zasendulo zihlanganisa iminyovu yama-cuckoo, izimpukane namabhungane, zonke ezitholakala nge-metallic blues, purples and greens.
Imvelo inothile ngokubukeka, kodwa izinsalela zamathambo akuvamile ukuba zibugcine ubufakazi bombala wokuqala wento ephilayo.Noma kunjalo, izazi ze-paleontology manje sezifuna izindlela zokukhetha imibala ezinsalini ezigcinwe kahle, kungakhathaliseki ukuthi ama-dinosaurs nezilwane ezihuquzelayo ezindizayo noma izinyoka nezilwane ezincelisayo zakudala.
Ukuqonda umbala wezinhlobo ezishabalala empeleni kubaluleke kakhulu ngoba kungatshela abacwaningi okuningi mayelana nokuziphatha kwezilwane.Ngokwesibonelo, umbala ungasetshenziswa ukuze uhehe abangane noma ukuxwayisa izilwane ezidla ezinye, futhi usize ngisho nokulawula izinga lokushisa.Ukufunda okwengeziwe ngazo kungasiza abacwaningi bafunde okwengeziwe mayelana ne-ecosystem kanye nezindawo.
Ocwaningweni olusha, ithimba labacwaningi abavela ku-Nanjing Institute of Geology and Palaeontology (NIGPAS) ye-Chinese Academy of Sciences babheke amasampula e-amber angama-35 aqukethe izinambuzane ezigcinwe kahle.Izinsalela zatholakala emayini yenhlaka enyakatho yeMyanmar.
…Joyina I-ZME Newsletter ukuze uthole izindaba ezimangalisayo zesayensi, izici kanye neziqephu ezikhethekile. Ngeke wenze iphutha ngababhalisile abangaphezu kuka-40,000.
“Inhlaka imaphakathi ne-Cretaceous, cishe iminyaka eyizigidi ezingu-99 ubudala, ihlehlela emuva enkathini yegolide yama-dinosaurs,” kusho umlobi oholayo u-Chenyan Cai lapho ekhipha inkulumo yakhe.” Empeleni iyinhlaka ekhiqizwa amaconifers asendulo amila endaweni enamahlathi emvula.Izitshalo nezilwane ezivaleleke enhlaka ewugqinsi ziyalondolozwa, ezinye zithembekile njengokuphila.”
Imibala endalweni ngokuvamile iwela ezigabeni ezintathu ezibanzi: i-bioluminescence, i-pigments, nemibala yesakhiwo.Izinsalela ze-amber zithole imibala yesakhiwo elondoloziwe evame ukuba namandla futhi igqame kakhulu (kuhlanganise nemibala eyinsimbi) futhi ikhiqizwa izakhiwo ezihlakazekayo ezincane ezitholakala endaweni yesilwane. ikhanda, umzimba nezitho.
Abacwaningi bapholisha izinsalela besebenzisa i-sandpaper kanye ne-diatomaceous earth powder.Enye inhlaka igaywa ibe ama-flakes amancane kakhulu ukuze izinambuzane zibonakale ngokucacile, futhi i-amber matrix ezungezile icishe ikhanye ekukhanyeni okukhanyayo.Izithombe ezifakwe ocwaningweni zihlelwe ukuze lungisa ukukhanya nokugqama.
"Uhlobo lombala olondolozwe ku-amber yezinsalela lubizwa ngombala wesakhiwo," kusho u-Yanhong Pan, umbhali ngokubambisana wocwaningo esitatimendeni."I-surface nanostructures isakaza ubude obuthile bokukhanya," "ukukhiqiza imibala egqamile," kusho uPan. enezela ukuthi le “nqubo ibangela imibala eminingi esiyaziyo ekuphileni kwethu kwansuku zonke.”
Kuzo zonke izinsalela, iminyovu ye-cuckoo iyamangalisa kakhulu, ene-metallic blue-green, yellow-red, violet and green hues ekhanda, thorax, isisu nemilenze.Ngokocwaningo, lawa maphethini ombala ahambisana eduze neminyovu ye-cuckoo ephila namuhla. .Okunye okugqamile kufaka phakathi amabhungane aluhlaza okwesibhakabhaka nokunsomi kanye nezimpukane zesosha eziluhlaza okumnyama.
Besebenzisa i-electron microscopy, abacwaningi babonise ukuthi inhlaka yensalela yezinto ezimbiwa phansi “inemibhobho egcinwe kahle esakaza ukukhanya.”
“Esikubonile kusikisela ngokuqinile ukuthi ezinye izinsalela zenhlaka zingalondoloza imibala efanayo nezinambuzane ezaboniswa lapho zisaphila eminyakeni eyizigidi ezingu-99 edlule,” kubhala ababhali balolu cwaningo.” Ngaphezu kwalokho, lokhu kufakazelwa iqiniso lokuthi izihlahla eziluhlaza okwesibhakabhaka zivame ukutholakala. kutholakala eminyovu ye-cuckoo esekhona.”
UFermin Koop uyintatheli yase-Buenos Aires, e-Argentina.Uneziqu ze-MA kwezeMvelo neNtuthuko azithola e-University of Reading, e-UK, egxile kwezobuntatheli bokuguquguquka kwesimo sezulu.


Isikhathi sokuthumela: Jul-05-2022