Five will get you twenty...

Here are 20 cool and interesting facts:

1. Octopuses have three hearts: Two pump blood to the gills, while the third pumps it to the rest of the body.

2. A day on Venus is longer than its year: Venus has an extremely slow rotation, taking about 243 Earth days to complete one rotation on its axis, while its orbit around the Sun only takes around 225 Earth days.

3. The shortest war in history was between Britain and Zanzibar on August 27, 1896: Zanzibar surrendered after 38 minutes.

4. A group of flamingos is called a "flamboyance": It's quite fitting for these vibrant and colourful birds!

5. Honey never spoils: Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.

6. Bananas are berries, but strawberries aren't: In botanical terms, a berry is a fruit produced from the ovary of a single flower with seeds embedded in the flesh. By this definition, bananas qualify as berries, while strawberries do not.

7. Polar bears have black skin: Their fur appears white or yellow due to its structure and hollow core, which scatters and reflects light.

8. The longest hiccuping spree lasted 68 years: Charles Osborne of the USA hiccuped continuously from 1922 to 1990.

9. A jiffy is an actual unit of time: It is defined as the time it takes for light to travel one centimetre in a vacuum, approximately 33.3564 picoseconds.

10. The largest ocean on Earth is the Pacific Ocean: It covers more area than all the Earth's landmass combined.

11. A single strand of spaghetti is called a "spaghetto".

12. The world's smallest mammal is the bumblebee bat: It weighs less than a penny.

13. A day on Mars is just a little over 24 hours and 37 minutes long: Mars rotates on its axis at a slightly slower pace than Earth.

14. The unicorn is the national animal of Scotland.

15. The Eiffel Tower can be 15 cm taller during the summer: The high temperatures expand the iron structure.

16. Cows have best friends: They can form close bonds with other cows and show distress when they're separated.

17. The overall longest name for a place in the whole World is a hill 

    Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuakitnatahu

    a hill in New Zealand.

18. The world's largest desert is Antarctica, not a hot, sandy place like the Sahara.

19. A group of porcupines is called a "prickle": Quite fitting given their spiky nature.

20. Vending machines are more deadly than sharks: They cause an average of 14 deaths per year in the United States compared to 10 deaths worldwide from shark attacks.

Source: Some or all of the content was generated using an AI language model