The oldest living person smoked cigarettes from the age of 21 to 117.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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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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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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In the mid-90’s, Coca Cola recalled an advertising poster due to a hidden sexual image.
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