One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Sound travels about 4 times faster in water than in air.
408
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Iron weighs more after it rusts.
68
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Most dust particles in your house come from dead skin.
48