Do Dolphins Ever Sleep?: 211 Questions and Answers About Ships, the Sky and the Sea.
Why does a dinghy slide backward as we try to climb out? Why are cold seas green and warm seas blue? Why do barnacles attach themselves to boat hulls? When was the rudder invented? What have been the main steps in the evolution of sailboats? How does wind create waves? These are some of the questions asked about the sea, the sky, wind and weather, ships, sailing, navigation and life aboard. Do Dolphins Ever Sleep? 211 Questions and Answers about Ships, the Sky and the Sea, offers clear and precise answers to some of the questions you probably wondered or perhaps did not think about.
