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
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
During his or her lifetime, the average human will grow 590 miles of hair.
69
If you took a standard slinky and stretched it out it would measure 87 feet.
52
The average cough comes out of your mouth at 60 miles per hour.
126
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
There are more than 10 million bricks in the Empire State Building!
75
68 percent of a Hostess Twinkie is air!
37