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TWITTER UNVEILS 'BIRDWATCH,' A COMMUNITY-DRIVEN APPROACH TO COMBAT MISLEADING INFORMATIONBirdwatch allows users to identify information in tweets that they believe are misleading or false, and write notes or notations to those tweets in a way they feel is providing "informative context. am90 og When worn correctly, a single face mask made of "appropriate material" typically offers enough protection, Paula Cannon, a distinguished professor of molecular microbiology and immunology at the Keck School of Medicine of University of Southern California (USC), said in an email. am90 og HERE'S WHAT CPAC ATTENDEES THINK"Meanwhile, they were stripping granny out of the COVID ward at the hospital and tossing her in the nursing home, just enough time to infect everybody, and then go back to the hospital so that deaths could be recategorized for politics," he added. am90 og With this first ancient DNA analysis of dire wolves we have revealed that the history of dire wolves we thought we knew - particularly a close relationship to grey wolves - is actually much more complicated than we previously thought," the study's co-author Angela Perri added. am90 og