Rhisotope Project

 Rhisotope Project: Recently, in a groundbreaking conservation effort, South Africa launched the Rhisotope Project.

• About Rhisotope Project : A scientific initiative aimed at deterring rhino poaching by injecting radioactive isotopes into rhino horns.

o Launched by the University of the Witwatersrand, South Africa, with support from the International Atomic Energy Agency (IAEA).

o It is the first wildlife protection project globally to use nuclear technology for conservation.

o Objective: To deter poachers and curb rhino horn smuggling by:

ü Inserting traceable radioactive isotopes into the horns.

ü Making the horns easily detectable at international borders using existing radiation detection systems.

• Working: Injection Process: A small hole is drilled into the horn and a radioisotope (an unstable form of an element that emits radiation) is inserted.

o Detection: Tests showed horns with isotopes could be detected inside 40-foot shipping containers using Radiation Portal Monitors (RPMs) already installed at ports, airports, and borders worldwide.

o Safety Assurance: The process is harmless to rhinos. Treated horns are rendered useless and toxic to humans, discouraging poaching and black-market trade.

• Poaching Crisis: South Africa hosts the largest population of rhinos (~16,000). Despite efforts, around 500 rhinos are killed annually for their horns.

o Globally, rhino numbers have declined from 500,000 in the early 1900s to around 27,000 today (IUCN data), driven by illegal horn trade.