Rhinos in South Africa will have their horns injected with radioactive material to deter poachers. A team from the University of the Witwatersrand (Wits) said the rhinos would not be harmed by a ...

Scientists in South Africa are injecting rhinos with radioactive material to enable them to track illegal trade and deter ...

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