The S&P 500 is close to records. The big average closed on Tuesday after Russian President Vladimir Putin said his country had registered the first coronavirus vaccine in the world. While there is skepticism about the vaccine, and especially its long-term effects and safety, the announcement helped lift investor sentiment. …
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As U.S. leaders work to control the spread of coronavirus, researchers around the world are working to answer the mysteries that remain about infections. © Mario Tama / Getty Images Employees of St. John’s Well Child & Family Center is preparing to test a woman for COVID-19 at a free …
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By Alyssa Pereira, SFGATE Published 8:40 a.m. PDT, Tuesday, August 11, 2020 Zelda Williams and Robin Williams premiere “Old Dogs” at the El Capitan Theater on November 9, 2009 in Hollywood, California. (Photo by John Shearer / WireImage) Zelda Williams and Robin Williams premiere “Old Dogs” at the El Capitan …
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People should not go to non-urgent appointments for dentists until ‘unknown’ Covid-19 risk is better understood, warns World Health Organization There is no data on how coronavirus can spread from a dentist’s chair Concerned that common procedures can create small infected floating particles Procedures include air / water spray and …
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This visualization shows layers of graphene used for membranes. Credit: University of Manchester Scientists at the University of Bath have taken an important step towards understanding the interaction between layers of atomic thin materials arranged in stacks. They hope that their research will accelerate the discovery of new, artificial materials, …
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