The process is safe and harmless to the animals, but will allow authorities to detect smuggled horns as they're transported around the world.

A South African university has launched an anti-poaching campaign to inject the horns of rhinos with radioactive isotopes, which it says are harmless to the animals but can be tracked by authorities.

Rhinos have long been a symbol of Africa’s wild beauty. But now, science is stepping in to protect them in a new way. A team in South Africa is injecting rhino horns with radioactive material to fight poaching.

South Africa’s New Weapon Against Poachers | Vantage with Palki Sharma South Africa is taking a bold step to stop rhino poaching by making rhino horns radioactive. This is completely safe for the animals,

Scientists have developed a safe way to embed radioactive markers in rhino horns, making them detectable and help combat illegal poaching.