Rhino horns are poached for use around the world in traditional medicines or as status symbols, so South African scientists are implanting radioactive material in the animals' horns to make them ...

said he put "two tiny little radioactive chips in the horn" of every rhino, per CBS News. He noted that the rhinos were sedated and didn't feel any pain as the scientists did their work ...

Most of the global rhino population lives in South Africa ... up with ways to prevent poaching, including using radioactive material in horns as a deterrent. Plus, we get the story behind why ...