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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Liquid TIDE laundry detergent glows under a blacklight.
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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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Pure water (H2O) does not conduct electricity on its own.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Iron weighs more after it rusts.
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