After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The human brain doesn't stop developing until about 25 years old.
102
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
If the human eye was a digital camera, it would have 576 megapixels.
25
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
A human being loses an average of 40 to 100 strands of hair a day.
133
On average, there's 100 billion neurons in the human brain.
83
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23