1. Although both squid and octopus are cephalopods, squid have an internal shell called "cuttlebone," while octopus have no shell at all.

squid

2. The invention of the ice cream cone originated from the 1904 St. Louis World's Fair, where an ice cream merchant and a waffle merchant collaborated to come up with the idea to solve the problem of ice cream tray shortages.

3. Almost all commercial bananas come from the same variety—the Cavendish banana—which is cloned through asexual reproduction, resulting in very low genetic diversity.

4. Of all the banknotes issued in the United States, the $2 note is the least frequently used, which is why it is often favored by collectors.

$2

5. Cats cannot taste sweetness because they lack the key receptors that detect sweetness, which may be related to their carnivorous nature.

6. In Zandal, Croatia, there is a sea organ that plays music using the power of ocean waves; each wave creates a unique melody.

7. Victoria Falls is one of the widest waterfalls in the world, spanning 1.7 kilometers, and is located on the border between Zambia and Zimbabwe in Africa.

Victoria Falls

8. There is a special kind of coffee on the island of Java in Indonesia called Eagle Coffee (Kopi Luwak), which is made from the beans excreted by an animal called the civet cat after it has eaten coffee cherries.

9. Pizza boxes are usually square, while pizzas are round. This is because square boxes are easier to manufacture and transport, and also make it easier to stack and store pizzas.

10. An asteroid struck the Tunguska region of Russia in 1908, which is considered one of the largest celestial impact events in history. Surprisingly, the explosion did not leave any impact crater.

meteorite impact

11. The longest place name in the world is the name of a small mountain in New Zealand, which has 85 letters and is usually simply called "Taumata" by locals.

12. Although penguins' feet look cold, they actually have a special circulatory system in their feet that prevents frostbite.

13. Owls are the only birds that can truly rotate their heads, turning them up to 270 degrees to observe their surroundings.

14. The world's deepest swimming pool is the "Y-40 Deep Joy" in Italy, which reaches a depth of 40 meters and is suitable for diving enthusiasts to train.

swimming pool

15. The world's longest river is the Nile, which is about 6,650 kilometers long and flows through 11 countries. It is the lifeline of the African continent.

16. Goldfish have been shown to have a memory that can last for at least three months, which contradicts the previously held belief that goldfish only have a memory that lasts for a few seconds.

17. The world’s oldest hotel is the Nishiyama Onsen Keiunkan in Japan, which was founded in 705 AD and has a history of more than 1,300 years.

18. The world's longest bridge is the Danyang-Kunshan Grand Bridge in China, which is 164.8 kilometers long and is mainly used for high-speed rail traffic.

Danyang-Kunshan Grand Bridge

19. The world's longest place name is in Thailand, consisting of 163 letters, and is officially abbreviated as "Krung Thep," which stands for Bangkok.

20. The deepest cave in the world is the Volobev Cave in Georgia, which reaches a depth of 2,212 meters.

21. The longest film in the world is the Swedish film "Atmosphere," which lasts 720 hours, or 30 days.

Movie

22. The world's longest fingernails belong to Shridhar Chilar of India, whose left hand fingernails totaled 9.1 meters in length.

23. The world's longest river canyon is the Grand Canyon in Colorado, USA, which is 446 kilometers long and 1.6 kilometers deep.

24. The world's longest epic poem is the Indian epic "Mahabharata," which contains approximately 100,000 verses, 15 times longer than Homer's epic poems "The Iliad" and "The Odyssey" combined.

25. The world's longest bridge-tunnel combination is the Chesapeake Bay Bridge in the United States, which is approximately 37 kilometers long and includes both bridges and tunnels.

Chesapeake Bay Bridge