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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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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The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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As of 2014, Apple has enough money to buy Facebook, or Netflix, Tesla, Twitter, Dropbox, Pandora, and Spotify combined - with $59 billion to spare!
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