Iron weighs more after it rusts.
68
The bark of an older redwood tree is fireproof.
65
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One third of the electricity produced on earth is used to power electric light bulbs!
75
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79