A new photo from the Mars Curiosity rover shows it on the edge of a sand dune and US engineers have decided to risk driving Curiosity over the dune so it can continue to an area of fresh bedrock known as KMS-9 to do some drilling. In order to get to the area engineers have called KMS-9, Curiosity will have to enter a small valley known as the Dingo Gap and navigate a one meter high sand dune. The...