Cold water weighs more than hot water.
93
Research indicates that plants grow healthier when they are stroked.
173
In zero gravity, a candle's flame is round and blue.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
The only letter not appearing on the Periodic Table is the letter "J".
180
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57