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[Article has been updated on 14 December 2020, 5:40pm] Singapore has approved the use of the Pfizer-BioNTech COVID-19 vaccine said Prime Minister Lee Hsien Loong today (14 December) in an address. The first shipment is expected to arrive by the end of this month, making Singapore one of the first …

Weighing the risks and benefits of participating in sports against the larger public health factors. My latest column, about the American Academy of Pediatrics’ new guidance on youth sports in the time of Covid, drew two very different sets of parental responses. The guidance emphasizes the importance of wearing face …

The rooms that make up the Bloomington Drosophila Stock Center at Indiana University are lined wall to wall with identical shelves. Each shelf is filled with uniform racks, and each rack with indistinguishable glass vials. The tens of thousands of fruit fly types within the vials, though, are each magnificently …