Scientists Inject Rhino Horns with Radioactive Isotopes to Stop Poachers
South African scientists inject rhino horns with harmless radioactive isotopes to deter trafficking, detectable by customs scanners and demonstrated safe for the animals.
South Sudan President Fires Army Chief Amid Growing Ethnic Tensions
South Sudanese President Salva Kiir has dismissed the country’s army chief, Paul Nang Majok, just seven months after appointing him—triggering fresh concerns over stability in the world’s youngest nation. The surprise removal, announced via presidential decree late Tuesday, came with no official explanation and no public statement from Majok himself. In his place, President Kiir…