Enamel is hardest substance in the human body.
61
The average person's skin weighs twice as much as their brain.
131
On average, there's 100 billion neurons in the human brain.
83
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Gorillas can catch human colds and other illnesses.
205
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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