Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The average home creates more pollution than does the average car.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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One cubic foot of gold weighs more than 1,200 pounds!
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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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Most dust particles in your house come from dead skin.
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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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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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