Rehovot, Israel - March 29, 2017 - The students of the Salesian high school at Želimlje, Slovenia, won for the second time, the International Safe Cracking competition of the Davidson Institute of Science Education at the Weizmann Institute of Science in Israel. Each team participating in the tournament had to design an impenetrable safe. The final tournament was held on 28 and 29 March and was attended by 27 teams from Israel, the US, Canada, UK, Panama, Romania, Moldova, Slovenia and Angola.