Tae Kwon Do is only around 60 years old.
64
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
More than 10% of the world's salt is used to de-ice American roads.
54
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
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
80% of millionaires drive used cars.
68
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21