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Fascinating World of Cold Facts In the modern world, there are countless interesting and fascinating trivia that you probably didn't know about. From the deepest parts of the ocean to the outer depths of space, there's a whole universe of knowledge waiting to be uncovered. One of the most intriguing and often overlooked areas of information is the world of cold facts. These are interesting and unusual tidbits of information that relate to anything cold, from ice and snow through to winter sports and freezing temperatures. In this article, we'll explore the fascinating world of cold facts and uncover some of the most interesting and surprising things you never knew about cool temperatures. Let's start with the basics; did you know that at minus 40 degrees Celsius, Fahrenheit and Centigrade actually converge? This means that -40 on both scales is exactly the same figure, and temperatures beyond this will differ significantly between the two scales. Moving on to the ice, did you know that ice is not slippery because it's cold? In fact, ice is slippery because the pressure of a person walking on the ice lowers the freezing point for a split second, causing it to melt and creating a thin layer of water on top. While we're on the subject of freezing, did you know that freezing to death is actually one of the least painful ways to die? When extreme cold sets in, the body goes into a state of hypothermia, leading to numbness and eventual unconsciousness. This can prevent the body from feeling pain, leading to a relatively peaceful death. Now, let's move on to the slightly stranger cold facts. Did you know that there's a company that offers cryogenic freezing of human bodies with the aim of bringing them back to life at a later date? Despite not yet being proven successful, many people opt to pay thousands for the chance to be frozen in the hope of a second lease of life. Another bizarre cold fact is that a small town in the north of Sweden has created the world's first ice hotel, where everything from the walls to the furniture and decorations is made from ice. Finally, did you know that there is a phenomenon known as "frost flowers," which are delicate ice structures that grow at the surface of freezing seawater? These beautiful and intricate formations are a natural marvel and are created from a complex interplay of freezing saltwater and air temperature. Now, let's take a look at some of the fascinating facts relating to winter sports. Did you know that the sport of curling was once banned in Scotland because it was believed to be too addictive? Similarly, the sport of ice hockey was originally played with a square puck before it was changed to its current round form in the 1870s. Finally, did you know that ski jumping hills are designed to be the exact height of a football field? This is because the average human's spatial perception is such that a ski jump looks completely different when viewed from different angles, so the idea is to keep it simple for both the competitors and the viewers. In conclusion, there's a whole world of fascinating cold facts out there waiting to be discovered. From the convergence of temperature scales to the peacefulness of freezing to death, and the bizarre world of cryogenic freezing, ice hotels, and frost flowers, through to the lesser-known facts of winter sports, it's clear that the realm of cool temperatures has plenty of quirks and surprises. So, the next time you're feeling cold, keep in mind just how fascinating this world can be.