One third of the electricity produced on earth is used to power electric light bulbs!
75
Sound travels fifteen times faster through steel than through air.
134
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A cesium atom in an atomic clock beats over nine billion times a second.
43
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Your brain is 80% water.
525
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101