<p>Earthquakes, volcanic eruptions, tsunamis and tidal waves, fires, mine cave-ins, bridge collapses, ship sinkings, airplane crashes, explosions, and plagues — natural and human-engineered calamity and catastrophe have many forms and guises. In <i>Now You Know Disasters</i>, Q & A ringmaster Doug Lennox showcases the what, why, when, where, who, and how of everything that’s gone tragically and terribly wrong, past and present. </p> <ul> <li>How does a tsunami occur?</li> <li>Why do Canadian engineers wear iron rings?</li> <li>Who was Richter in the Richter scale?</li> <li>What was the worst freshwater ship disaster ever in North America?</li> <li>What is wildfire?</li> <li>Who was Typhoid Mary?</li> <li>How is "ring around the rosie" related to disaster?</li> <li>How did the Halifax Explosion occur?</li> <li>What was the worlds worst airplane crash?</li> </ul>