Could this nuclear-based approach curb rhino-poaching? : vim

Could this be the future of anti-poaching techniques? In South Africa, researchers from the University of Witwatersrand initiated a nuclear-based approach, that could help drastically reduce the poaching of rhinos.
By introduicing harmless amounts of radioactive isotopes into their horns, researchers aim to make them more detectable when crossing international borders, which should decrease their demand on the market.
"It came from a discussion with friends about two, two and a half years ago. We were looking at other ways, some people had tried to put poison into horns, others tried dye, Those haven't worked very well. So someone said, why don't we try putting radioactive materials into those?" Prof. James Larkin, Director of the Radiation and Health Physics Unit at the University of the Witwatersrand told Euronews.

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