Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pumice is the only rock that floats on water.
14
The sun is 330,330 times larger than the earth.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Brass doorknobs automatically disinfect themselves in about 8 hours.
18