The human brain is more active during sleep than during the day.
28
If your DNA was stretched out it would reach to the moon 6,000 times.
256
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
You can't tickle yourself.
29
Poor eyesight (myopia) is associated with higher IQ.
232
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11