The sun is 330,330 times larger than the earth.
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Cold water weighs more than hot water.
93