Maths and its History
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Professor Stephen Hawking asks some big questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
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Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
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What can mathematics say about history? According to TED Fellow Jean-Baptiste Michel, quite a lot. From changes to language to the deadliness of wars, he shows how digitized history is just starting to reveal deep underlying patterns.