Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Out of all the senses, smell is most closely linked to memory.
146
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The average temperature at 40,000 feet above sea level is -60 F.
56
The bark of an older redwood tree is fireproof.
65
Pure water (H2O) does not conduct electricity on its own.
46
The force of a suction cup is calculated using F=AP.
15
A ball of glass will bounce higher than a ball made of rubber.
73