Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Cold water weighs more than hot water.
93
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
For every gallon of sea water, you get more than a quarter pound of salt.
45
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11