Liquid TIDE laundry detergent glows under a blacklight.
96
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
4.5 pounds of sunlight strike the Earth each day.
27
One ragweed plant can release as many as one billion grains of pollen!
51
One third of the electricity produced on earth is used to power electric light bulbs!
75