Real diamonds do not show up on x-ray.
36
Extremely high pressured water can easily cut through a steel beam.
51
The human eye blinks an average of 4,200,000 times a year.
233
During his or her lifetime, the average human will grow 590 miles of hair.
69
Babies are born without knee caps.
78
A typical lead pencil can draw a line that is 35 miles long.
158
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18