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

The University of the Witwatersrand’s Rhisotope Project is embedding low-level radioactive isotopes into rhino horns to ...

A South African university has launched an anti-poaching campaign to inject the horns of rhinos with radioactive isotopes, ...

After six years of research and a successful trial period, a South African program that hopes to curb rhino poaching by ...

Discover how radioactive isotopes are being used in rhino horns to catch international smugglers and protect the species.

South African scientists have launched an anti-poaching campaign in which rhino's horns will be injected with a radioactive ...

Rhino horns are among the most valuable products in the wildlife black market. The appendages have been sold for as high as $400,000 per kilogram — or about $11,000 an ounce — outpacing the ...

NEW YORK — South African scientists on Tuesday injected radioactive material into live rhino horns to make them easier to detect at border posts in a pioneering project aimed at curbing poaching.