It's impossible to kill yourself by holding your breath.
703
Real diamonds do not show up on x-ray.
36
The best diamonds are colored blue-white.
80
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The chills you sometimes feel when listening to music is called "musical frisson."
18
The best time for a person to buy shoes is in the afternoon. This is because the foot tends to swell a bit around this time.
49
Tae Kwon Do is only around 60 years old.
64