Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Balsa wood is classified as a hard wood!
41
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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
The sun is 330,330 times larger than the earth.
75
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18