Most dust particles in your house are made from dead skin!
67
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The bark of an older redwood tree is fireproof.
65
Sound at the right vibration can bore holes through a solid object.
134
The only letter not appearing on the Periodic Table is the letter "J".
180
One cubic foot of gold weighs more than 1,200 pounds!
78
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11