Tsunamis ( tidal waves ) travel as fast as jet planes.
97
People who laugh more are better able to tolerate pain - both physical and emotional.
36
A typical lead pencil can draw a line that is 35 miles long.
158
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The chills you sometimes feel when listening to music is called "musical frisson."
18
62% of us pop our zits.
137
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
It's impossible to kill yourself by holding your breath.
22