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Why is Delta so infectious? New lab tool spotlights little noticed mutation that speeds viral spread science.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from science.org Daily Mail and Mail on Sunday newspapers.
If you squeeze the coronavirus, does it shatter? Scientists are exploring the physics of viruses, to understand how these pathogens assemble themselves and might be rent apart. New York Times Representative image Of all the pandemic questions bedeviling scientists, the one that Juan Perilla is asking might be among the strangest: If a shrunk-down hand were to squeeze the coronavirus, would it squish, or would it shatter? Viruses like HIV tend to be on the softer side, smooshing down like a foam ball, whereas the ones that cause influenza are more brittle, prone to cracking like an egg, said Perilla, a biophysical chemist at the University of Delaware in Newark. Coronaviruses, he suspects, are somewhere in the middle, a sort of tactile Goldilocks in the world of infectious disease. ....
A microscopic video of an RNA virus self-assembling. The dark spots are individual viruses, and they grow darker as more and more proteins attach to the RNA strand. Video by Rees F. Garmann, Aaron M. Goldfain, Vinothan N. Manoharan, PNAS 2019 If You Squeeze the Coronavirus, Does It Shatter? Scientists are exploring the physics of viruses, to understand how these pathogens assemble themselves and might be rent apart. A microscopic video of an RNA virus self-assembling. The dark spots are individual viruses, and they grow darker as more and more proteins attach to the RNA strand. Video by Rees F. Garmann, Aaron M. Goldfain, Vinothan N. Manoharan, PNAS 2019Credit. ....