Sound travels about 4 times faster in water than in air.
408
German chemists made a replica of a trophy the size of one molecule.
68
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average home creates more pollution than does the average car.
33
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
Research indicates that plants grow healthier when they are stroked.
173
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57