South African scientists injected radioactive material into live rhino horns to make them easier to detect at border posts in a pioneering project aimed at curbing poaching.
https://phys.org/news/2024-06-radioactive-rhino-horns-curb-poaching.html
@estherschindler Now, do the #Elephants. #SaveTheElephants!
@estherschindler: They also need to keep track of who's buying lead and lead-lined boxes.