One barrel of petroleum holds 42 gallons.
20
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Balsa wood is classified as a hard wood!
41
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Each day, up to 150 species of life become extinct.
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