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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Balsa wood is classified as a hard wood!
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The only letter not appearing on the Periodic Table is the letter "J".
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Iron weighs more after it rusts.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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