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註釋An educational and fun book that encourages children to experiment with science by showing them that discoveries may be possible when they least expect it. Every discovery includes history, biography of the discoverer, scientific explanation and a simple, step-by-step experiment to try on their own. In addition to traditional discoveries such as gravity and photography, it features more modern ones like Velcro and Silly Putty. Covers topics in physics, chemistry, astronomy, biology and archaeology.