On average, there's 100 billion neurons in the human brain.
83
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Enamel is hardest substance in the human body.
61
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
Mushrooms are more closely related to humans than they are to plants.
47
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
A human being loses an average of 40 to 100 strands of hair a day.
133