10. The water was so cold that most passengers in the water would have had a heart attack within a matter of minutes.
Those passengers or crewmen who didn’t get a seat in a lifeboat were ultimately doomed. Though the sea was eerily calm, it was lethally cold, with a temperature of 28 °F (−2 °C). Most people would have suffered a cardiac arrest within the space of a few minutes. Of those who went into the water, just 13 were picked up by survivors in the Titanic’s lifeboats. Famously, the ship’s head chef Charles Joughin tread water for an incredible two hours before being rescued. He put his survival down to the fact he took several swigs of strong liquor when it became clear the Titanic was going under.