The human brain is more active during sleep than during the day.
28
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain doesn't stop developing until about 25 years old.
102
The human brain uses approximately as much energy as a 10 watt light bulb.
120
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Gorillas can catch human colds and other illnesses.
205
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32