From radioactive rhino horns in South Africa to starving children in Gaza, a deadly midair collision over D.C., and a ...

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 has launched an anti-poaching campaign to inject the horns of rhinos with radioactive isotopes that it says are harmless for the animals but can be detected by customs agent ...