About Rhisotope Project:
- It was started in 2021 in South Africa.
- It aims to make the rhinoceros horns easier to detect at border posts and render them useless for human consumption.
- The project involves inserting two tiny radioactive chips into the horns of 20 rhinos.
- The low-dose radioactive material is designed to be detectable by radiation sensors at international borders without harming the animals or the environment.
- The radioactive material is expected to last five years on the horn, making it a more cost-effective solution than dehorning every 18 months. Additionally, the team sprayed 11,000 microdots on each treated horn for further identification.
- The team of scientists will take follow-up blood samples to ensure the rhinoceroses are effectively protected.
- South Africa, home to the majority of the world’s rhinos, has been battling a poaching crisis driven by demand from Asia, where rhino horns are used in traditional medicine.
Q1: What is Radioactivity?
Radioactivity is the physical phenomenon of certain elements – such as uranium – of emitting energy in the form of radiation. This energy comes from the decay of an unstable nucleus.
Source: South African scientists make rhino horns radioactive to curb poaching
Last updated on February, 2026
→ UPSC Notification 2026 is now out on the official website at upsconline.nic.in.
→ UPSC IFoS Notification 2026 is now out on the official website at upsconline.nic.in.
→ UPSC Calendar 2026 has been released.
→ Check out the latest UPSC Syllabus 2026 here.
→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.
→ UPSC Mains Result 2025 is now out.
→ UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.
→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.
→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.
→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.
→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.
→ UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!
→ UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.
→ Also check Best UPSC Coaching in India







