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The history of aviation is packed full of amazing aircraft, used both commercially and in military operations. How much do you know about these magnificent flying machines?
Test your knowledge of some common and unusual phobias 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.
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?
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