On average, there's 100 billion neurons in the human brain.
83
The average person's skin weighs twice as much as their brain.
131
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Poor eyesight (myopia) is associated with higher IQ.
232
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
By weight, Bone is five times stronger than steel.
417
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