They went back and redesigned their Crispr system, using the updated map to keep their edits away from any essential genes. Then they tried embryos again. This time it worked. But now it was the summer of 2018; Almost three years have passed. The project was long overdue. They had …
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For sale, masks are seen displayed on a clothesline in the front yard of a Los Angeles home on July 20, 2020. Chris Delmas | AFP | fake pictures A homemade cloth face mask probably needs two to three layers to be effective in preventing the spread of the coronavirus, …
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Children in an elementary school class wear masks and sit as separate desks according to coronavirus guidelines during summer school sessions at Happy Day School in Monterey Park, California, on July 9. Frederic J. Brown | AFP | fake pictures Members of a leading group of infectious disease experts warned …
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The World Health Organization warned Thursday that it will not return to the “old normal” as the coronavirus pandemic accelerates in the United States and in the poorest developing countries. Half of all Covid-19 cases reported so far are from the United States, Brazil and India, WHO Director General Tedros …
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