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A crash course in the history of money, the birth of Bitcoin, and blockchain technology.
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Meet a spectacular new blue, the first inorganic new blue in some time.
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A new study proposes mysterious axions may be found in X-rays coming from a cluster of neutron stars.
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More than almost any other ancient ruler, facts about King Tut, the boy who led an empire and was buried in a tomb stuffed with gold and artifacts, have been hard to deduce. Who was this young man given the responsibility of carrying on a line descended from the gods? How did he live? And …