Poachers are using a sneaky loophole to bypass the international ivory trade ban—by passing off illegal elephant ivory as legal mammoth ivory. Since the two types look deceptively similar, law enforcement struggles to tell them apart, especially when tusks are carved or polished. But scientists may have found a powerful new tool: stable isotope analysis.
from Latest Science News -- ScienceDaily https://ift.tt/lCsqbpB
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