[Music] Have you ever thought of something and no matter what somebody said or did, you wouldn't change your mind. When I was little, I thought that if I put my hands in front of my eyes while playing peekab-boo, nobody could see me. But now that I've grown up and learned more, I know that the person playing with me really can see me.The same thing happens with scientists and experts with some discoveries. They think there's nothing there to unearth and walk away. But then they come back and see that there ...