| China's virus pandemic epicenter Wuhan ends 76-day lockdown
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 The lockdown that served as a model for countries battling the coronavirus around the world has ended after 11 weeks: Chinese authorities are allowing residents of Wuhan to once again travel in and out of the sprawling city where the pandemic began.
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| This is how jigsaw puzzles get made
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 Jigsaw puzzles were traditionally made by painting a picture on a flat piece of wood. A woodworker would then use a jigsaw to cut the board into smaller pieces. The puzzles became a commercial pastime in Europe around 1760, but, today, the jigsaws you find at a gift shop or toy store are made a bit differently to meet higher demand. Read more...
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| Italy ponders how to exit crippling virus lockdown
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 Italian Prime Minister Giuseppe Conte consulted top scientists Tuesday about ways to safely end a month-long lockdown aimed at stemming a pandemic that has killed thousands and left millions unemployed.
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| Artificial intelligence enables COVID-19 lung imaging analysis
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 For most patients who have died of COVID-19, the pandemic disease caused by a novel coronavirus, the ultimate cause of death was pneumonia, a condition in which inflammation and fluid buildup make it difficult to breathe. Severe pneumonia often requires lengthy hospital stays in intensive care units and assistance breathing with ventilators—medical devices now in high demand in some cities grappling with a surge of COVID-19 cases.
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, all countries ( USA, Great Britain, India, Australia, New Zealand ) (sources)
