4 Roman-era swords were found perfectly preserved in their scabbards in a cave. They were as sharp as if they were hidden today, scientists said.

• Perfectly preserved Roman-era swords were discovered in a Dead Sea cave by Israeli reseachers. 
• The Israeli Antiquities Authority thinks the four swords were used by Judean rebels 1,900 years ago.
• One reseacher said they "look as if they could be picked up and used right now." 

Israeli researchers made a rare find during a survey of a Dead Sea cave: Four perfectly preserved Roman swords thought to have been used in battle 1,900 years ago.