One 75-watt bulb gives more light than three 25-watt bulbs.
57
Iron weighs more after it rusts.
68
Liquid TIDE laundry detergent glows under a blacklight.
96
Indoor pollution is 10 times more toxic than outdoor pollution.
62
For every gallon of sea water, you get more than a quarter pound of salt.
45
Most dust particles in your house are made from dead skin!
67
Sound at the right vibration can bore holes through a solid object.
134
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41