Scientists find way to identify elephant ivory disguised as legal mammoth ivory

Scientists at the University of Hong Kong have found a new method to help police distinguish between elephant and mammoth ivory. 

International trade in elephant ivory was banned by the Convention on International Trade in Endangered Species in 1989, but 20,000 African elephants are killed each year for their tusks, according to the World Wide Fund for Nature. 

“Elephant ivory is the ivory, its texture and its colour have always been…