A human being loses an average of 40 to 100 strands of hair a day.
133
One human hair can support 3 ounces.
191
If the human eye was a digital camera, it would have 576 megapixels.
25
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
You can't tickle yourself.
29
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
On average a woman has 4 sexual partners in her lifetime.
-143
The average sperm cell swims at 8 inches per hour.
4