[by Emma Pewsey]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Winner, Access to Understanding 2013]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [This post is particularly aimed at those of you who are thinking about entering the Access to Understanding competition who have never entered a science writing competition before.