[By Aidan Maartens, Post-doc student at the Gurdon Institute ]{style=“background-color: white; font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif; font-size: 15px; line-height: 20px;”} [ ]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;”} [Note: Aidan was awarded third place in this year’s Access to Understa ]{style=“font-family: "helvetica neue" , "arial" , "helvetica" , sans-serif;