- Petrol has no specific freezing point (it can freezes at any temperature between -82 and -115C (-180 and -240F).
- Clothes dried outside smell better because of a process called photolysis (sunlight breaks down compounds that cause odor).
- The Great Wall of China is approximately 6,430 Km long (3,995 miles).
- A 1/4 of your bones are in your feet.
- An office desk has 400 times more bacteria than a toilet.
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