Tom, you are a magical person. You make everything sound interesting which is a incredibly rare skill. There is only one area left which could possibly need to new discoveries on earth, and that is the bottom of the ocean. But I think all the new discoveries will be out in the solar system when we start exploring Mars, Venus, Titan, Europa and the asteroid belt with more indepth techniques deep core mining on mars, theying to cool down venus and studing it's atomsphere, analizing the water of europa and exploring it's massive internal ocean for life. learning more about the universe Finding out if the speed of light truely is the limit of all things or if it is just another barrier too our understanding of the universe.