Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A cesium atom in an atomic clock beats over nine billion times a second.
43
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116