The best diamonds are colored blue-white.
80
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
It's impossible to kill yourself by holding your breath.
703
The majority of suicides occur on a Monday.
393
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
A fire in Australia has been burning for more than 5,000 years!
91
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25