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Migratory Birds Have Lighter-Colored Feathers – Here’s the Evolutionary Explanation

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Mutation of Nucleocapsid, Not Spike Protein, Responsible for Delta Variant’s Increased Transmissibility

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Concussion Study: One group avoided school or work for the first 48 hours. The other largely avoided screen time for 48 hours. On average people with less screen time improved sooner. The “no-screen” group’s recovery time was roughly 3.5 days compared to 8 days for the other group.