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# Useless Fact Category
1 The term "sniper" is derived from "snipe", which is a bird that was difficult to hunt. The term dates back to the 18th century.Animals
 
2 People who live in cold climates tend to live longer.People
 
3 You have about a 60% chance to survive a plane crash, since most plane crashes take place during takeoff and landing.Technology
 
4 There is a bacteria that lives two miles underground. They use radioactive uranium to convert water into energy.Animals
 
5 Rattlesnakes grow when they are starving, eating their own body from the inside to grow in length.Animals
 
6 The largest cell in the human body is the female egg and the smallest is the male sperm.People
 
7 Your ears secrete more earwax when you are afraid.People
 
8 A human head remains conscious for about 15 to 20 seconds after it is been decapitated.People
 
9 The most likely time to get a heart attack is Monday morning.Science
 
10 After eating too much, your hearing is less sharpPeople
 
11 During your lifetime, you will produce enough saliva to fill two swimming pools.Science
 
12 The human body may appear fragile but it’s possible to survive even with the removal of the stomach, the spleen, 75 percent of the liver, 80 percent of the intestines, one kidney, one lung, and virtually every organ from the pelvic and groin area. You might not feel too great, but the missing organs wouldn’t kill you. Maybe.Science
 
13 The brain operates on the same amount of power as 10-watt light bulb. Your brain uses 20% of the oxygen that enters your bloodstream. Science
 
14 It takes roughly 20 seconds for a red blood cell to travel full circle through the human body.Science
 
15 The Hoover dam is has an estimated life span of 3,000 years.Technology
 
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