The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Sound travels about 4 times faster in water than in air.
408
In zero gravity, a candle's flame is round and blue.
16
Most dust particles in your house are made from dead skin!
67
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Iron weighs more after it rusts.
16