The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Drying your hands with paper towel will reduce the bacterial count by 45 - 60% on your hands. However, using a hand dryer will increase the bacteria on your hands by up to 255% because it blows out bacteria already living in the, conveniently, warm moist environment.
26
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant called Diamond Star.
29
There are 53 Lego bricks manufactured for each person in the world.
83
Tae Kwon Do is only around 60 years old.
64
On average, 100 people choke to death on ballpoint pens every year.
72
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18