Scientists Devise New Methods To Catch Ivory Poachers

Scientists are now able to figure out the age of a piece of ivory, which in many cases can also reveal the date of the elephant's death. Ivory trade has been banned since 1989. So if a piece of ivory suggests an elephant died after that year, there's a good chance its owner is holding illegal goods.

Source: http://www.npr.org/2013/07/02/197899542/scientists-devise-new-methods-to-catch-ivory-poachers?ft=1&f=1007

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