It has been scientifically proven that stroking a cat can lower one's blood pressure!
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A person can live without food for about a month, but only about a week without water.
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Early American humans hunted car-size armadillos and used their shells for houses.
12
In one day, adult lungs move about 10,000 litres of air.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
All 13 minerals necessary for human life can be found in alcohol beverages.
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