Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In zero gravity, a candle's flame is round and blue.
16
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Iron weighs more after it rusts.
68
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Balsa wood is classified as a hard wood!
41