The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One cubic foot of gold weighs more than 1,200 pounds!
78
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Aluminum used to be more valuable than gold!
84
Cold water weighs more than hot water.
93
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house come from dead skin.
48
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16