40000 elephants are killed each year by poachers for their tusks, which are illegally sold for a large profit. Now, scientists have developed a method to identify where an elephant was living when it was killed by analyzing its tusk DNA and matching it to a map of already sequenced elephant genomes

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40000 elephants are killed each year by poachers for their tusks, which are illegally sold for a large profit. Now, scientists have developed a method to identify where an elephant was living when it was killed by analyzing its tusk DNA and matching it to a map of already sequenced elephant genomes