Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
4.5 pounds of sunlight strike the Earth each day.
27
Pumice is the only rock that floats on water.
14
One cubic foot of gold weighs more than 1,200 pounds!
78