The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Caffeine boosts memory.
405
Starfish don't have brains.
132
On average, there's 100 billion neurons in the human brain.
83
The human brain doesn't stop developing until about 25 years old.
102
The average person's skin weighs twice as much as their brain.
131
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