A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
Sound travels about 4 times faster in water than in air.
408
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Nylon is made from coal and petroleum.
42
Research indicates that plants grow healthier when they are stroked.
173
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89