The Skull and Crossbones - Death Incarnate

There are some facial expressions which yare pretty universal, like smiling face. But how can you start a conversation with somebody that you have no common language with? Both groups weren't sure about this but then they thought, there's got to be something better than symbols and pictures. And he knew just the one, the skull and crossbones ter jolly roger death incarnate. Well, do you know where the skull andCross bones came from? No, no, i don't. Actually, karl sagan proposed it. He sent in a letter saying this whole marker problem was easy. You just need the right symbol.