Researchers probing the origins of coronavirus have caught 200 bats in caves in Thailand. They hope to find a close match to the disease that will help shed light on the pandemic that has so far infected more than 20 million people and caused the deaths of 748,000 worldwide. Plus, Facebook and Instagram step up efforts to combat the spread of misinformation, WeChat plays down a looming US ban, and a faraway galaxy that looks like the MilkyWay could re-shape our thinking about how galaxies evolve.
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