Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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Nylon is made from coal and petroleum.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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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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Sound at the right vibration can bore holes through a solid object.
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