Research indicates that plants grow healthier when they are stroked.
173
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
If the chemical sodium is dropped into water it will immediately and violently explode.
67
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The only letter not appearing on the Periodic Table is the letter "J".
180
The average temperature at 40,000 feet above sea level is -60 F.
56