The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The only letter not appearing on the Periodic Table is the letter "J".
180
Pumice is the only rock that floats on water.
14
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Diamonds can be shattered with a hammer.
-104