1. There are around 60,000 miles of blood vessels in the human body. If you took them all out and laid them end to end, they will go round the world more than twice.
2. When a person cries and the first drop of tears is from the right eye, it’s for joy and if from the left eye, it is of pain.
3. There is a single mega-colony of ants that spans three continents, covering much of Europe, the west coast of the U.S., and the west coast of Japan.
4. Female kangaroos have three vaginas.
5. The loneliest creature on Earth is a whale who has been calling out for a mate for over two decades but whose high-pitched voice is so different to other whales that they never respond.
6. Do you know why the wedding ring goes to the middle finger? It is because it is the only finger that has a vein that connects directly to the heart.
7. The Dance Fever of 1518 was a month-long plague of inexplicable dancing in Strasbourg, in which hundreds of people danced for about a month for no apparent reason. Several of them danced themselves to death.
8. Similarly, there has been a “National Laughing Epidemic.” It broke out in Tanzania (1962) and lasted for almost a year. Several thousand people were affected, across several villages. People laughed until they started crying and fainting or having rashes and pain.
9. There is an opera house on the U.S–Canada border where the stage is in one country and half the audience is in another.
10. Banana and humans share half of the same DNA which means humans are 50% identical with bananas.
11. Lt. Col. “Mad” Jack Churchill was the only British soldier in WWII known to have killed an enemy soldier with a longbow. “Mad Jack” insisted on going into battle armed with both a medieval bow and a claymore sword.
12. Youtube, Skype, Twitter and Facebook are officially banned in China.
13. A U.S park ranger named Roy C. Sullivan held the record for being struck by lightning the most times, having been struck seven times between 1942 and 1977, he survived. However, he died of a self-inflicted gunshot in 1983.
14. The Sardinian cheese called “Casu marzu” contains live maggots that can jump up to five inches out of cheese while you’re eating it.
15. Smoking a single stick of cigarette reduces your life by eleven minutes.
16. Most laughs you hear on American comedy shows were recorded in the 1950’s, which means technically, you are hearing dead people laugh.
17. Powerful earthquakes shortens the length of Earth’s day, by moving the spin of the Earth’s axis. The 2011 Japan earthquake knocked 1.8 microseconds off our days. The 2004 Sumatra quake cost us around 6.8 microseconds.
18. Everyone has a unique tongue print, just like fingerprints.
19. Studying for 30-50 minutes at a time (with a 10 minutes break in between) is the best way to retain information.
20. The northern leopard frog swallows its prey using its eyes. It uses them to help push food down its throat by retracting them into its head.
21. The word “listen” contains the same characters as the word “silent.”
22. Light doesn’t necessarily travel at the speed of light. The slowest we’ve ever recorded light moving at is 38 mph.
23. Do you know that Hollywood actors Harrison Ford and Johnny Depp have never won the Oscars Award?
24. When a lion wants to mate, it’s a continuous thing. It happens every fifteen minutes for a whole week. Respite for the lionesses is that, lions mate once in every two years.
25. There is a new species of bacteria that lives in hairsprays. Scientists made this discovery in 2008.
26. The first man to urinate on the moon was Buzz Aldrin, shortly after stepping onto the lunar surface.
27. Sigurd the Mighty, a ninth-century Norse earl of Orkney, was killed by an enemy he had beheaded several hours earlier. He’d tied the man’s head to his horse’s saddle, but while riding home one of its protruding teeth grazed his leg. He died from the infection.
28. The longest time between two twins being born is 87 days.
29. In 1923, dead jockey Frank Hayes won a race at Belmont Park in New York. He suffered a heart attack mid-race, but his body stayed in the saddle until his horse crossed the line for a 20–1 outsider victory.
30. The Dutch village of Giethoorn has no roads; its buildings are connected entirely by canals and footbridges. Transportation is by canoes.
31. Only two people know the Coca Cola recipe and they are not allowed to travel on the same plane.
32. The oldest condoms ever found date back to the 1640s (they were found in a cesspit at Dudley Castle), and were made from animal and fish intestines.
33. Experiments show that male rhesus macaque monkeys will pay to look at pictures of female rhesus macaques’ bottoms.
34. The man with the world’s longest beard died in 1567 after he tripped over his beard while running away from a fire.
35. The “Katzenklavier” also called Cat Piano was made out of real life cats. Designed by 17th-century German scholar Athanasius Kircher, it consisted of a row of caged cats with different voice pitches, who could be “played” by a keyboardist driving nails into their tails.
36. At some point, the Romans cleaned and whitened their teeth with urine.
37. The world’s deepest postbox is in Susami Bay in Japan. It’s 10 metres underwater.
38. It costs the U.S. Mint almost twice as much to mint each penny and nickel as the coins are actually worth. Taxpayers lost over $100 million in 2013 just through the coins being made.
39. The first American film to show a toilet being flushed on-screen was “Psycho” by Alfred Hitchcock.
40. In ancient Japan, public contests were held to see who could fart the loudest and longest.