The human brain is more active during sleep than during the day.
28
On average a woman has 4 sexual partners in her lifetime.
-143
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Babies crawl an average of 200m a day.
212
Our brains have a negativity bias and will remember bad memories more than good ones.
15
