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Cigarette burning in an ash tray. A chromosome (blue) imaged during cell replication. The chromosome is duplicated, and protein strands called spindle fibers (red) are attached to the chromosome copies to pull them apart, so that each ‘daughter cell’ gets one copy. Children laughing while conducting a science experiment. Digital illustration of Y-shaped antibodies surrounding a purple SARS-CoV-2 virus Michael Connolly (left) and Natalia Molchanova (right) preparing antiviral peptoid samples at the Molecular Foundry. (Credit: Marilyn Sargent/Berkeley Lab) two scientists collect air sensor data outside a home Cartoon human body with marks indicating various functions of the body panoramic view of SF Bay on clear vs polluted days This transmission electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S. photo of FLEXLAB interior Berkeley Lab researchers Kristin Persson, John Dagdelen, Gerbrand Ceder, and Amalie Trewartha on a Zoom call