One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Your brain is 80% water.
525
One 75-watt bulb gives more light than three 25-watt bulbs.
57
German chemists made a replica of a trophy the size of one molecule.
68
The force of a suction cup is calculated using F=AP.
15
Research indicates that plants grow healthier when they are stroked.
173