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Every element in the period table has a symbol but some are more obvious than others. Can you name these ten elements from their chemical symbols?
Various scales and charts have been developed to measure everything from the pungency of peppers to the intensity of earthquakes. Test your knowledge of some of them with these multiple choice questions...
Many of history’s greatest inventors have become household names. See how much you know about these pioneers who changed the world with their inventions.
Over the last two centuries, advances in computer technology have transformed the way we live our lives. How much do you know about these icons of the industry?
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