"On my first major research cruise, the ship was hit by a hurricane. On the second, the weather was even worse. In one particularly nasty storm, I remember standing braced on the ship's bridge late at night, watching bolts of lightning light up the world. Each one revealed waves taller than the ship extending to the horizon in every direction. We bobbed haplessly among them. At a time like that, it's hard not to feel philosophical about the power of nature."