The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
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
German chemists made a replica of a trophy the size of one molecule.
68