Balsa wood is classified as a hard wood!
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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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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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No matter how cold it gets, gasoline will not freeze.
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Sound travels about 4 times faster in water than in air.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Liquid TIDE laundry detergent glows under a blacklight.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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