Out of all the senses, smell is most closely linked to memory.
146
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A cubic yard of air weighs about 2 pounds at sea level.
31
Most dust particles in your house are made from dead skin!
67
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Pure water (H2O) does not conduct electricity on its own.
46
One third of the electricity produced on earth is used to power electric light bulbs!
75