South African scientists have launched an anti-poaching campaign in which rhino's horns will be injected with a radioactive material.
The group, from the University of the Witwatersrand, said the process is harmless to rhinos but will allow customs officers to detect smuggled horns as they're transported across the world.
South Africa has the largest rhino population in the world, and hundreds of the animals are poached there every year.
The university's venture, called the Rhisotope Project, was launched on Friday after six years of research and testing.
"Our goal is to deploy the Rhisotope technology at scale to help protect one of Africa's most iconic and threatened species," said Jessica Babich, head of the Rhisotope Project.
