Sound travels fifteen times faster through steel than through air.
134
Balsa wood is classified as a hard wood!
41
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Pure water (H2O) does not conduct electricity on its own.
46
Diamonds can be shattered with a hammer.
-104
Liquid TIDE laundry detergent glows under a blacklight.
96
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61