Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Indoor pollution is 10 times more toxic than outdoor pollution.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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Most dust particles in your house are made from dead skin!
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
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