Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels about 4 times faster in water than in air.
408
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One third of the electricity produced on earth is used to power electric light bulbs!
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Billions of neutrinos pass unnoticed through your body every second.
6
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One 75-watt bulb gives more light than three 25-watt bulbs.
57