Indoor pollution is 10 times more toxic than outdoor pollution.
62
Sound travels about 4 times faster in water than in air.
408
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The storage capacity of human brain exceeds 4 Terrabytes.
140