Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Balsa wood is classified as a hard wood!
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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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German chemists made a replica of a trophy the size of one molecule.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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A ball of glass will bounce higher than a ball made of rubber.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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