Iminonjana imimoya kungasiza ekuxazululeni amacala

Abacwaningi basikisela ukuthi iminonjana amakha kungasiza abomthetho ukuxazulula ubugebengu. Ososayensi baye bathola ukuthi izingxenye amakhemikhali iphunga angadluliselwa komunye umuntu kuya komunye ngokusebenzisa izingubo, ngisho noma oxhumana naye imfushane kakhulu. Okulandelayo lokhu Iphunga kusala izingubo izinsuku ezimbalwa, naphezu kweqiniso lokuthi incipha ngokuhamba kwesikhathi. Iqembu labacwaningi zithi umsebenzi wabo kuwubufakazi-of-isimiso, okusikisela ukuthi imimoya ingasetshenziswa njengoba ubufakazi.

ukushicilelwa ucwaningo

Abacwaningi eshicilelwe umsebenzi wabo ephephabhukwini "Isayensi Justice". Zithi ukuhlaziya amakha kungaba ithuluzi eliwusizo ezimweni lapho kwakukhona sisondelene somzimba, njengokushaya ngokusebenzisa ukuhlukumeza ngokocansi.

wocwaningo Simon Gergely kusuka-University College London, wathi: "Sasilindele ukuthi ukuhlaziya iminonjana amakha isethubeni ezinkulu, njengoba abantu abaningi ukuzisebenzisa. Eqinisweni, cishe u-90% abesifazane 60% amadoda ukuzisebenzisa njalo. "

Nakuba zikhona izifundo eziningi emkhakheni wesayensi forensic - isibonelo, ukuhlaziywa imicu noma powder ezisalayo ngemva labadubuli - kuze kube manje kuye kwaba akukho ukuhlola okwenziwa mayelana nokubukeka ukudluliswa kwelemimoya.

Imiphumela umsebenzi ososayensi

Perfume Yenziwe eziningi ezahlukene yizici zamakhemikhali, okuyinto kuhlangene abe nephunga esiyingqayizivele. Abacwaningi wasebenza Iphunga wesilisa. Bathola ukuthi abanye balaba izingxenye zidluliselwa kalula komunye ucezu ukotini.

Lapho ezimbili izingcezu impahla acindezelwe ndawonye ngeminithi elilodwa, idluliselwe indwangu yesibili 15 44 yizici zamakhemikhali. Lapho isikhathi contact Kwandiswa amaminithi angu-10, phezu kwezinye izicubu uphasisiwe izingxenye 18.

Kubaluleke kangakanani isikhathi

Ososayensi futhi elibukhali njengoba isikhathi inomthelela ezokuthutha compounds oluyingozi.

Bathola ukuthi uma emva kwemizuzu 5 ngemva kokuba olufuthwe nge Iphunga, Cindezela indwangu enye engu-10, khona-ke ngizoya 24 44 amakha izithako. Uma amakha abangu wafutha 6:00 emuva kwezinye izicubu abaxhumana idluliselwe izingxenye 12, kuyilapho kweviki ungasathola iminonjana izingxenye eziyisithupha oluyingozi.

Dr Ruth Morgan, umqondisi weSikhungo yobugebengu, kusho ukuthi ososayensi sibonga yalolu cwaningo zokuhlola ungase ubonise ukuthi imimoya angadluliselwa kwezinye izicubu, futhi kungenzeka yokuthola ngokuthé ngqo uma kwenzeka.

Indlela yokusebenzisa amakha lokuphinda yesehlakalo

Ngokuzayo kungenzeka kahle izimo lapho kuzoba ukuthintana phakathi kwabantu ababili, kodwa le ndlela ikuvumela ukuba uthole ukuthi yini uhlobo contact livelile kwasekusithi.

Nokho, ososayensi bathi Lobu bufakazi kufanele kuqoqwe ngokushesha okukhulu emva kwenzeka icala, njengoba ukubambezeleka kungakhawulela angasetshenziswa. Lokhu kusho ukuthi ukusetshenziswa iminonjana amakha akwenzeki ngaso sonke isikhathi, ngenxa ubugebengu ngokuvamile waziwa ezinsukwini ezimbalwa ngemva abazenzileyo. ' Ngaphezu kwalokho, akunakwenzeka ukuba zizosetshenziswa iphunga kuphela ukuxazulula icala.

imimoya Landelayo akukwazi ubufakazi kuphela ubugebengu. Ososayensi banethemba lokuthi lobu bufakazi sizosetshenziswa isakhiwo, kanye nokuhlaziywa DNA, isibonelo, noma zeminwe. Futhi ngokuhlanganyela nezinye izinhlobo ubufakazi kuyoba ukwakha isithombe obukholisayo kakhulu.

Abacwaningi bathi kubalulekile ukuba bafeze umsebenzi owengeziwe ukuhlola ngendlela efanele perfume ngoba zokwahlulela emifanekisweni enengqondo.