Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels fifteen times faster through steel than through air.
134
Your brain is 80% water.
525
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Cold water weighs more than hot water.
93
No matter how cold it gets, gasoline will not freeze.
107