- A bolt of lightning can reach temperatures hotter than the sun.
- The Great Wall of China is approximately 6,430 Km long (3,995 miles).
- There are no rivers in Saudi Arabia.
- Each red blood cell lives an average of 4 months and travels between the lungs and other tissue 75,000 times before returning to bone marrow to die.
- The Atlantic Ocean is saltier than the Pacific.
- 8% of people have an extra rib.
- 42% of men and women 25% don't wash their hands after using a public toilet.
- Snakes can't bite in rivers or swamps (they would drown otherwise).
- The Earth weighs 6,588,000,000,000,000,000 tons.
- Soccer is the most followed sport.
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