Iron weighs more after it rusts.
16
Sound at the right vibration can bore holes through a solid object.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
No matter how cold it gets, gasoline will not freeze.
107
The average home creates more pollution than does the average car.
33
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Pure water (H2O) does not conduct electricity on its own.
46