One cubic foot of gold weighs more than 1,200 pounds!
78
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Each day, up to 150 species of life become extinct.
-23
The only letter not appearing on the Periodic Table is the letter "J".
180
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound at the right vibration can bore holes through a solid object.
134
Hot water can freeze faster than cold water.
181