If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human eye blinks an average of 4,200,000 times a year.
233
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
By weight, Bone is five times stronger than steel.
417
The average person's skin weighs twice as much as their brain.
131
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30