30 Mind-Boggling Facts

Nature's Wonders

1. The longest living animal on Earth is the ocean quahog clam, with a lifespan of over 400 years.
2. A single teaspoon of soil contains more microorganisms than there are people on Earth.
3. The Amazon rainforest produces over 20% of the world's oxygen.
4. Some jellyfish are biologically immortal.
5. The world's largest living structure is the Great Barrier Reef, visible from space.

Human Body and Mind

6. The human body produces enough heat in an hour to boil a half-gallon of water.
7. Your brain can generate enough electricity to power a small light bulb.
8. Babies are born with more bones than adults.
9. Humans share 98% of their DNA with chimpanzees.
10. The average person takes about 25,000 breaths per day.

Science and Technology

11. Diamond is actually just crystallized carbon.
12. A snail can sleep for three years.
13. The hottest planet in our solar system is Venus, with surface temperatures hot enough to melt lead.
14. The first computer mouse was made of wood.
15. The internet was originally created as a military project.

History and Culture

16. The Great Pyramid of Giza is the only remaining wonder of the ancient world.
17. The longest word in the English language is "pneumonoultramicroscopicsilicovolcanoconiosis," which refers to a lung disease.   
18. The first-ever Olympic Games were held in Greece in 776 BC.
19. The Mona Lisa has no eyebrows.
20. The world's smallest country, Vatican City, has its own army.

Random and Fun

21. A group of crows is called a murder.
22. The average person spends about two years of their life waiting in line.
23. There are more than 7,000 languages spoken in the world.
24. Bananas are naturally radioactive.
25. The word "set" has the most definitions in the English language.

Animal Kingdom

26. Octopuses have three hearts.
27. A hummingbird's heart can beat up to 1,200 times per minute.
28. Some sharks can detect one drop of blood in a million parts of water.
29. A cockroach can live for several weeks without its head.
30. The tongue of a giraffe is about 45 centimeters long.