One third of the electricity produced on earth is used to power electric light bulbs!
75
The bark of an older redwood tree is fireproof.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Iron weighs more after it rusts.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116