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
A cesium atom in an atomic clock beats over nine billion times a second.
43
One 75-watt bulb gives more light than three 25-watt bulbs.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Your brain is 80% water.
525
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7