The human brain doesn't stop developing until about 25 years old.
102
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The human brain is more active during sleep than during the day.
28
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The human eye blinks an average of 4,200,000 times a year.
233
The human brain uses approximately as much energy as a 10 watt light bulb.
120
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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