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: A video discussing the element gold as the most valuable metal known to humans throughout history and includes the following - 00:00 Introduction to the legendary city of El Dorado - 00:49 Why is gold symbolized by Au - 01:17 Revealing the purity of gold from its properties - 03:43 Where did gold come from? - 04:55 Why does gold maintain its value - 07:33 Can the price of gold decrease - 10:32 What does 24, 21 and 18 karat gold mean - 11:46 Why does the iPhone have gold inside it - 13:01 Why is gold used in satellites - 13:30 Treating cancer with gold - 13:52 Gold is edible - 14:12 The largest gold stores in the universe ............... To watch more exclusive videos, you can subscribe to the channel or support us on Patreon / sharafestien