A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Most dust particles in your house are made from dead skin!
67
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Nylon is made from coal and petroleum.
42
One barrel of petroleum holds 42 gallons.
20