Did You Know ?
1. The World’s Oldest Recipe
- The oldest known recipe is from 6000 B.C.
- It's a beer recipe from Ancient Mesopotamia.
- This is thought to be the first recipe ever written down.
- Ancient Mesopotamians were early beer makers.
- They started the tradition of making one of the world's favorite drinks.
2. The Massive Amount of Data
- ChatGPT says about 2,500 crore gigabytes of data are uploaded daily.
- This amount of data is hard to imagine.
- If printed on paper, it would use up all trees in the Amazon rainforest.
- This shows how much data we create in today's digital world.
3. The Longest Gold Chain
- The world's longest gold chain is 5 kilometers (about 3.1 miles) long.
- It's called the Dubai Celebration Chain.
- The chain weighs about 250 kilograms (about 551 pounds).
- It has over 4 million links.
- 100 craftsmen made it.
- It took them more than 45 days to finish.
4. The Longest Tsunami
- The world's biggest tsunami was 1,720 feet (about 524 meters) high.
- It happened in Lituya Bay, Alaska.
- The date was July 9, 1958.
- It was caused by a huge landslide.
- About 40 million cubic yards of rock and ice fell.
- This is the tallest tsunami ever recorded.
5. The Most Expensive Building
- Zhongnanhai in China is said to be the world's most expensive building.
- It's where China's leaders live.
- The building is valued at about 40 billion dollars.
I should note that claims about the "most expensive building" can be difficult to verify and may change over time.
6. The Mighty Roar of the Lion
- Lions can roar very loudly, lion's roar is powerful
- Their roar can be heard far away, up to 8 kilometers
- Roaring also helps lions mark their territory
7. The Unique Fact About "TYPEWRITER"
- The word "typewriter" is very long
- It uses only letters from one row on the keyboard
- No other word uses just one row and is longer. This is an interesting detail
8. The First Speeding Ticket Ever Issued
- The first speeding ticket was given in 1896
- This happened a long time ago
- The person was driving 12 kilometers per hour
- That was considered too fast at the time
9. The Lifelong Journey of an Airplane
- Airplanes fly very far in their lifetime
- They typically fly 75 million miles total
- That is an extremely long distance
- It equals going to the Moon and back 157 times
10. The Everlasting Light Bulb
- There is a very old light bulb in Livermore, California
- It is called the Centennial Light
- This light bulb has been burning since 1901
- It is over 120 years old and still works
- The bulb is at the Livermore Fire Department
- It is the oldest known light bulb that stays lit
- It was only turned off a few times in over 100 years
11. Maximum Human Sweat Production
- Humans can make a lot of sweat
- At most, a person can sweat 4 liters in one hour
- This happens only when a person push his maximum limit
- Sweat comes from special parts in our skin called sweat glands
- An average person have 2-4 million sweat glands in their body
12. The Strength of Human Hair
- One hair on your head is stronger than you might think
- A single hair can hold up 100 grams
- Most people have about 100,000 hairs on their head
- If all these hairs worked together, they could lift 10,000 kilograms
- That's as heavy as a big truck or a small elephant
13. The Power of a Sneeze
- When you sneeze, it's very fast
- The air from a sneeze can move at 160 km/hr
- One sneeze has lots of tiny germs in it
- It can have about 100,000 germs
14. Cryogenic Preservation in Nature
- Cryogenic Preservation means freezing a body to wake it up later
- It doesn't work for humans yet
- But there's a frog that can do something like this
- It's called the wood frog this frog lives in cold places
- It can freeze itself for 6-7 months while frozen, its heart stops beating
- It also stops breathing and when it warms up, it comes back to life
15. Cryovolcanoes: Icy Volcanoes
- Most volcanoes we know shoot out hot lava
- But there are special volcanoes called cryovolcanoes
- 'Cryo' means very cold
- These volcanoes are found far from Earth
- They're on moons around Saturn and on Pluto
- Instead of hot lava, they shoot out cold stuff
- They erupt with water, ice, and ammonia

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