Scientists reveal new way to track illegal ivory

Nguồn tin: tieng anh vui

hoang.anh@ibiz.vn (Hoang Anh (Manager)) @ vntimes.info

Wildlife crime investigators hope to crack down on illegal elephant killing with a new tool for analyzing ivory that uses nuclear test residue to determine the age of a tusk, said a study out Monday.

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Đăng ký: Tieng Anh Vui