Indoor pollution is 10 times more toxic than outdoor pollution.
62
A ball of glass will bounce higher than a ball made of rubber.
73
Most dust particles in your house are made from dead skin!
67
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50