In an effort to combat the poaching of rhinos in South Africa, the Rhisotope Project is injecting radioactive isotopes into rhino horns to deter traffickers. Injecting a small amount of radioactive material into the horns makes them detectable by radiation portal monitors already deployed at borders,

In Mokopane, South Africa, researchers at the University of Witwatersrand, Johannesburg have launched the Rhisotope Project, an initiative that aims to disrupt the illegal rhino horn trade by making rhino horns radioactive. Don’t worry — this comes at no harm to the animals.