Here are 25 interesting, amazing and lesser-known facts from various fields and subjects. About these interesting facts you should know :-
1. Honey Never Spoils: Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.
2. Octopuses Have Three Hearts: Two pump blood to the gills and one pumps it to the rest of the body.
3. Bananas Are Berries: Botanically speaking bananas qualify as berries while strawberries do not.
4. Cows Have Best Friends: Cows can form close bonds with other cows and have best friends within their herds.
5. The Eiffel Tower Can Be Taller in Summer: Due to thermal expansion, the iron structure of the Eiffel Tower can grow up to 15 cm (6 inches) during hot summer days.
6. Ants Outnumber Humans: There are estimated to be over a quadrillion (1,000,000,000,000,000) ants on Earth, surpassing the human population.
7. Only One Flag Has Been to Moon: The United States flag is the only flag that has been planted on the Moon's surface.
8. The Unicorn is Scotland's National Animal: Scotland's official national animal is the mythical unicorn.
9. Cleopatra Was Greek: Despite her association with Egypt, Cleopatra was of Greek descent, being a member of the Ptolemaic dynasty.
10. Venus is the Hottest Planet: Despite being the second planet from the Sun, Venus is the hottest due to its thick, greenhouse effect laden atmosphere.
11. The Oldest Known Pet: The first domesticated animal was likely the dog, with evidence dating back over 20,000 years.
12. Space Smells Like Seared Steak: Astronauts have reported that the smell of space is similar to that of seared steak or hot metal.
13. The Longest Word Without a Vowel: "Rhythms" is one of the longest words in the English language without a vowel.
14. Babies Don't Blink Often: Newborn babies blink only about 1-2 times per minute, compared to an adult's 10-15 times per minute.
15. Mount Everest is Still Growing: The world's tallest mountain, Mount Everest, continues to rise about 0.04 inches (1.0 mm) higher each year due to tectonic forces.
16. The Moon Has Quakes: The Moon experiences moonquakes, although they are much less intense than Earthquakes.
17. The Coldest Place in the Universe: Scientists have created temperatures lower than those in outer space with the coldest recorded at 500 picokelvins (0.0000000005 degrees Kelvin).
18. Banana Trees Are Not Trees: Despite their name, banana plants are technically large herbs, not trees.
19. A Day on Venus is Longer Than a Year: Venus has an extremely slow rotation, so a day on Venus (243 Earth days) is longer than its year (225 Earth days).
20. The Canary Islands Were Not Named After Birds: They were named after dogs ("canis" in Latin) rather than canaries.
21. Hippopotamus Sweat is Red: Hippos secrete a red substance that acts as a natural sunscreen and antibiotic.
22. The World's Largest Desert is Not the Sahara: Antarctica is considered the world's largest desert because it receives very little precipitation.
23. Tornadoes Can Occur on the Moon: Tornado-like vortexes have been observed in the lunar atmosphere.
24. A Group of Pandas is Called an Embarrassment: That's right when pandas gather they are called an "embarrassment."
25. The King of Hearts is the Only King Without a Mustache: In a standard deck of playing cards the King of Hearts is the only king without a mustache.
These interesting facts showcase the incredible diversity and intrigue of the world around us from natural world to language and culture.