There are countless amazing facts in the world, both fictional and real. While many facts are well-known to all of us, there are others that we can’t even imagine. Here, we present to you 25 interesting real facts about our world.

1. Humans walked on the Moon before the invention of wheeled suitcases. (Suitcase: 1970, Moon landing: 1969)

2. Trees can send secret warning signals to each other about impending insect attacks.

3. It takes the lifetime work of 12 bees to produce one teaspoon of honey.

4. The inventor of pop-up advertisements officially apologized to the world.

5. The Nike “swoosh“ logo was bought in 1971 for $35.

6. Romans used tickling as a form of torture, making goats lick their feet soaked in salty water.

7. Octopuses actually have 6 arms and 2 legs, not 8 legs.

8. Named cows produce 258 liters more milk per year than unnamed cows.

9. Harvard University’s library houses a collection of books bound in human skin.

10. Each person has a unique tongue print, just like fingerprints.

11. The probability of dying on your birthday is 14% higher than any other day.

12. Poland is home to a giant statue of Jesus that serves as a Wi-Fi antenna.

13. Rabbits can sense their dead relatives in the droppings of predators.

14. 3:44 AM is the most common time for middle-of-the-night awakenings.

15. 50% of people admit to listing completed tasks on their to-do list before crossing them off with satisfaction.

16. There are so many varieties of apples in the world that it would take 20 years to try them all if you ate one per day.

17. The cotton candy machine was invented by a dentist.

18. Whales are also capable of getting sunburned.

19. Photographer Kevin Abosch sold a photograph of a potato for over $1,000,000.

20. One hamburger can contain meat from 100 different cows.

21. There is a town in Wales with the name… LLANFAIRPWLLGWYNGLLGOGERYCHWYRNDROBWLLLLANTYSILIOGOGOGOCH.

22. The current flag of the United States was created by a high school student as a school project (He received a B, but his teacher changed the grade to an A after the US Congress adopted his design as the national flag).

23. In 2014, Tinder produced its first match in Antarctica.

24. McDonald’s has a restaurant for skiers in Sweden.

25. Certain ant species invented agriculture a million years before us and live in fungi that they cultivate themselves.