One 75-watt bulb gives more light than three 25-watt bulbs.
57
For every gallon of sea water, you get more than a quarter pound of salt.
45
Billions of neutrinos pass unnoticed through your body every second.
6
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Diamonds can be shattered with a hammer.
-104
Aluminum used to be more valuable than gold!
84
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79