The bark of an older redwood tree is fireproof.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Nylon is made from coal and petroleum.
42
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
German chemists made a replica of a trophy the size of one molecule.
68
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304