A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One barrel of petroleum holds 42 gallons.
20
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The left ear is more responsive to words of love and emotion whispered into it than the right.
40