Bulgarian students have achieved remarkable success at the International Chemistry Olympiad held in Saudi Arabia, winning four medals. Viktor Lilov, a twelfth-grader from Sofia Mathematical High School "Paisiy Hilendarski," secured a gold medal and ranked second in the world, competing against the top 327 students from 84 countries. This marks Lilov's second major achievement within 16 days, having also won a gold medal at the International Biology Olympiad on July 13, where he was the only EU student in the top 10 globally....
