Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One 75-watt bulb gives more light than three 25-watt bulbs.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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.
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