You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
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The mile is Latin for 1,000. The number of paces it took the average Roman!
36
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
No piece of square dry paper can be folded more than 7 times in half!
26
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
You share your birthday with at least 9 million other people in the world.
205