The Committed Sardine By Ian Jukes A blue whale is the largest mammal on earth. The adult blue whale is the length of 2½ Greyhound buses and weighs more than a fully loaded 737. A little known fact is that a blue whale is so large that when it decides to turnaround, it can take 3 to 5 minutes to turn 180 degrees in the opposite direction. As a result, some people have drawn a strong parallel between blue whales and our school system. It just seems to take forever to turn them around. There as some people who just don’t believe the public school system can be turned around. But compare the way a blue whale turns around (slowly) with how a school of. . . Sardines – which is the same or even greater mass than a blue whale. . . A school of sardines can almost turn instantly around – how do they do it? The answer is simple. If you take a careful look at a school of sardines you will notice that although all the fish appear to be swimming in the same direction, at any one ti...