The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One third of the electricity produced on earth is used to power electric light bulbs!
75
Aluminum used to be more valuable than gold!
84
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
