Enamel is hardest substance in the human body.
61
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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
A person can live without food for about a month, but only about a week without water.
156
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The human sigh acts as a physiological reset button.
23