Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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One cubic foot of gold weighs more than 1,200 pounds!
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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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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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In zero gravity, a candle's flame is round and blue.
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The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
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Sound travels fifteen times faster through steel than through air.
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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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