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See how rural India has been overrun by the pandemic's second wave
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World leaders pledge 870 million doses to global vaccination drive
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What is the summer solstice? Here’s what you need to know.
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Fossils of rhino taller than a giraffe found in China
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Most new infectious diseases spill over from animals to humans
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Soils found in Antarctica seem to contain no life
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The complex situation for immunocompromised people and COVID-19 vaccines
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Mystery object blotted out a giant star for 200 days
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The Delta variant is serious. Here’s why it's on the rise.
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New organ found in world’s best-studied plant
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How the new Alzheimer’s drug works—and why the FDA is under fire for approving it
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Will we ever know the real death toll of the pandemic?
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How full FDA approval could pave the way for COVID-19 vaccine mandates
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Can COVID-19 lead to diabetes? Here’s what you need to know

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