1. All of the bacteria in our body collectively weighs about 4 pounds.
  2. The average office desk has 400 times more bacteria than a toilet.
  3. There're more bacteria in your mouth than there are people in the world.
  4. The "smell of rain" is caused by a bacteria called actinomycetes.
  5. Mobile phones have 18 times more bacteria than toilet handles.
  6. Researchers found 1,458 new species of bacteria in belly buttons.
  7. Sweat itself is odorless. It's the bacteria on the skin that mingles with it and produces body odor.
  8. A clean mouth has between
    1,000 and 100,000 bacteria on each tooth.
  9. Chocolate has an anti-bacterial effect on the mouth and protects against tooth decay.
  10. Tap water has a shelf-life of 6 months, after which chlorine dissipates and bacteria starts to grow.
  11. There's a breed of bacteria that lives in hairspray.
  12. A dollar bill has
    3,000 types of bacteria.
  13. When two people kiss, they exchange between 10 million and 1 billion bacteria.
  14. Most antibiotics are made from bacteria.
  15. After two weeks of wear, a pair of jeans will have grown a 1,000-strong colony of bacteria on the front, 1,500–2,500 on the back, and 10,000 on the crotch.
  16. The strongest creatures on Earth are gonorrhea bacteria. They can pull 100,000 times their own body weight.
  17. Offices with more male employees have far more bacteria.
  18. In 2013, a bacteria was found in New Zealand that's resistant to every single antibiotic known.
  19. Computer Keyboards can carry more than 200 times as many bacteria as a toilet seat.
  20. New bacteria grows on a kitchen sponge every 20 minutes.
  21. 20% of office coffee mugs contain fecal bacteria.
  22. Babies are born with no bacteria in their bodies.
  23. Some 15,152 types of life forms, from insects to bacteria, have been identified on the New York subway.
  24. A newly-discovered species of rust-eating bacteria will have consumed the wreck of the Titanic within 20 years.
  25. Beans increase flatulence because they carry a type of sugar called "oligosaccharides", which are hard for bacteria to break down, so they release gas in the process.
  26. Airplane tray tables hold more bacteria than most typical household items, a study found.
  27. Horseshoe crab blood is worth US$15,000/L, due to its ability to detect bacteria.
  28. The chlorine in swimming pools isn't what causes red eyes. It is the chlorine binding to the bacteria in the water.
  29. There are viruses that infect bacteria.
  30. It's estimated that a third of the world's population is infected with tuberculosis bacteria, but most never have any symptoms.
  31. Bacteria have the smallest eyeballs in nature but the largest relative to their size.
  32. A report found that the free weights at the gym have 362 times more bacteria than a toilet seat.
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