(GNA)Daraasad cilmi baadhis ah oo ay ka sameeyeen aqooyahano ka tirsan Common wealth dalka Austareliya ayaa cadaysay in quraanjada cad-cad ay dadka ku hagi karto goobaha laga heli dahabka iyo macadanaha kale ee qaaliga ah.Warbxin lagu qoray wargeyska Science Daily ayaa lagu cadeeyay in quraanjada godadkeeda laga helay dahaba iyo goobo kale oo u dhow.
Dr.Aron Stewart oo ka tirsan cilmi baadhayaasha common wealth ee dhinaca sayniska iyo warshadaha aya sheegay in cayayaankaasi yar u isticmaaleen in ay ku soo ururiyaan dahabka iyo macadano kale . Taasi oo fudaydaysay helista macadano ay adag tahay in la helo.