Most dust particles in your house are made from dead skin!
67
Iron weighs more after it rusts.
16
The average home creates more pollution than does the average car.
33
A ball of glass will bounce higher than a ball made of rubber.
73
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
A cubic yard of air weighs about 2 pounds at sea level.
31
The force of a suction cup is calculated using F=AP.
15
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116