A detailed guide to surviving history's most challenging threats, from outrunning dinosaurs to making it off the Titanic alive History is the most dangerous place on earth. From dinosaurs the size of locomotives to meteors big enough to sterilize the planet, from famines to pandemics, from tornadoes to the Chicxulub asteroid, the odds of human survival are slim but not zero--at least, not if you know where to go and what to do...