Scientists inject rhino horns with radioactive material to combat poaching

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In an effort to combat the poaching of rhinos in South Africa, the Rhisotope Project is injecting radioactive isotopes into rhino horns to deter traffickers. Injecting a small amount of radioactive material into the horns makes them detectable by radiation portal monitors already deployed at borders, ports and airports around the world.Aug. 1, 2025

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• Now Playing

  Scientists inject rhino horns with radioactive material to combat poaching

  01:30

• UP NEXT

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  04:08

• ‘Flourishing’ ecosystem discovered 30,000 feet below the Pacific Ocean

  00:48

• New report details rising cost of weather disasters

  02:29

• Dinosaur fossil found under Denver museum parking lot

  01:46

• Why July 9, 2025 is one of the shortest days in recorded history

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