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flag Scientists inject rhino horns with radioactive isotopes to deter poaching and aid detection at borders.

flag The Rhisotope Project, led by the University of the Witwatersrand, injects low levels of radioactive isotopes into rhino horns to deter poaching and aid detection at borders. flag The project, supported by the International Atomic Energy Agency, has been tested on 20 rhinos without adverse effects. flag The isotopes make horns detectable by security equipment, potentially deterring smugglers and expanding to protect other endangered species like elephants and pangolins.

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