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
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain is more active during sleep than during the day.
28
Only humans shed emotional tears.
331
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The human sigh acts as a physiological reset button.
23