| Tetris is so addictive because of our deep-seated psychological drive to tidy up and keep things organized. |
| There is a secret pack of security cats prowling the attic and basement of the State Hermitage Museum in St. Petersburg, Russia. The museum administration has been hiring these expert rodent exterminators ever since the museum was founded in 1764. These cats have made it so that rodents cannot damage the museum's artwork. |
| Puppies are born blind, deaf and toothless. |
| The Guinness Book of Records was originally published by Guinness Breweries as a reference for settling bar arguments. |
| Human yawns are contagious, not only to other people; but to dogs as well. |
| Alexander Graham Bell, the inventor of the telephone, never called his wife or mother because they were both deaf. |
| According to an international study of male DNA, nearly 0.5% of men worldwide, carry Genghis Khan's DNA. |
| 'SWIMS' upside down still looks like 'SWIMS'. |
| Scientists suggest, the reason why it's so hard to get someone out of your mind is because they're thinking about you as well. |
| There are over 200 dead frozen bodies on Mount Everest. Many of which you must pass to get to the summit and some are used as markers. |