The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One 75-watt bulb gives more light than three 25-watt bulbs.
57
In zero gravity, a candle's flame is round and blue.
16
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
Nylon is made from coal and petroleum.
42
The only letter not appearing on the Periodic Table is the letter "J".
180