One ragweed plant can release as many as one billion grains of pollen!
51
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Cold water weighs more than hot water.
93
The average temperature at 40,000 feet above sea level is -60 F.
56
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
