An Israeli submarine openly crossed the Suez Canal last week, in a show of force against Iran, the Kan public broadcaster reported Monday night. The move was approved by Egypt, according to the report, which cited Arab intelligence sources. The submarine reportedly surfaced and faced the Persian Gulf, which lies on the other side of Saudi Arabia.

Modern engineering has just met ancient engineering as the Black Sea Maritime Archaeology Project reveals it has discovered the worlds oldest shipwreck. The 2,400 year old trading vessel has only ever been seen on the sides of pottery until now.