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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Sound travels about 4 times faster in water than in air.
408
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
