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
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71
The largest diamond ever found was an astounding 3,106 carats!
99
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
There are 293 ways to make change for a dollar.
148
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10