One third of the electricity produced on earth is used to power electric light bulbs!
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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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In zero gravity, a candle's flame is round and blue.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Nylon is made from coal and petroleum.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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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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