The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Pure water (H2O) does not conduct electricity on its own.
46
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9