Bulgarian students have won 4 medals at the International Chemistry Olympiad in Saudi Arabia , held from 21 to 30 July. They won one gold, one bronze and two silver medals. The gold was won by 12th grader Victor Lilov , the Science Olympic..
Bulgarian high-school pupils earned one gold, one silver and one bronze medal at the 28 th International Biology Olympiad held in Coventry, Great Britain. 241 high-school students from 68 countries took part at the forum held between July 23 and 30...