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Opinion | World in crisis must leave room for serendipity to right its ship

At a time when climate change, pandemic threats and technological changes are compounding the disruptive force of more conventional risks such as demographic change and political turmoil, there is good reason to marshal the serendipitous forces that surround us.

Morning 5: Household Inventions

On this date in 1902, Willis Carrier of Buffalo, N.Y., showcased his new invention, the air conditioner, making this one of the great dates in human history. 5 other vital household red letter dates:1) Vacuum cleaner, 1908: Invented by Ohio janitor James Spangler. Patent purchased by the Hoover fami

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