Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Nearly 50% of the world's scientists are assigned to military projects.
71
Aluminum used to be more valuable than gold!
84
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Iron weighs more after it rusts.
68