Conservation scientists in South Africa are injecting rhino horns with radioactive isotopes. The doses are too weak to harm ...

In Mokopane, South Africa, researchers at the University of Witwatersrand, Johannesburg have launched the Rhisotope Project, ...

A South African university launched an anti-poaching campaign Thursday to inject the horns of rhinos with radioactive ...

A new initiative in South Africa is safely placing radioactive isotopes into rhino horns and using existing nuclear security infrastructure to detect and deter illegal trade. Sean Hogan has more.

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