Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
Each day, up to 150 species of life become extinct.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nylon is made from coal and petroleum.
42
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13