One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pure water (H2O) does not conduct electricity on its own.
46
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199